Commit Graph

1071 Commits

Author SHA1 Message Date
Chalard Jean
4bfafba9dc Merge "Do not throw on call to isTetheringSupported w/o permission" into oc-mr1-dev
am: e545f00e10

Change-Id: Ib5b17a7f68c1327f47fe1f54c0454c51f4226907
2017-09-27 02:12:24 +00:00
Chalard Jean
4e1bb72e61 Do not throw on call to isTetheringSupported w/o permission
...just return false instead. This will change in P.

Test: Made an app to test this. Made sure it doesn't have
Test: the required permission. Checked it crashes with
Test: SecurityException without this change. Checked it
Test: doesn't with it.

Bug: 65404184

Change-Id: Id20d3c240ec5d70d085e0366b92ab3a514f3e7c8
2017-09-26 19:25:48 +09:00
Rubin Xu
8c7980846c Merge "Fix LinkPropertiesTest.testCompareResult" am: 430d8472b2 am: e77fe1bdae
am: 3db86833e6

Change-Id: I72b0ca1b9b50dacb7067eb6ca12ca48a072b5d26
2017-09-19 06:51:07 +00:00
Rubin Xu
0a3da93b15 Fix LinkPropertiesTest.testCompareResult
Test: runtest frameworks-core -c android.net.LinkPropertiesTest
Change-Id: Ie97b7a7a1557b14296d7c33e98991cdede8463b0
2017-09-15 11:55:28 +01:00
Rubin Xu
221c8c7f34 Merge "Refactor CompareResult<> class and its call sites" am: 008917b44f am: 0352f4bb71
am: c345562746

Change-Id: I850f2ceab5949c2fceba5d25eda639a319efa7b3
2017-09-14 10:13:40 +00:00
Rubin Xu
8cb82d2530 Refactor CompareResult<> class and its call sites
Move all corner case logic from call sites to CompareResult's implementation,
add a constructor to directly do the comparison.

Test: runtest frameworks-core -c android.net.LinkPropertiesTest
Change-Id: I95bba82ec38d295b18c49c025dffab5f17271cbd
2017-09-08 13:27:58 +01:00
Rubin Xu
f0dab22205 Always add local subnet routes to the interface's routing table
For some networks such as mobile data connections, its LinkProperties
does not contain routes for the local subnet so no such route is added
to the interface's routing table. This can be problematic especially
if the device is in VPN lockdown mode where there exists high-priority
PROHIBIT routing rule which in turn blocks the network's default gateway
route from being added (next hop address hitting the prohibit rule).

We fix this by patching LinkProperties to always include direct connected routes
when they are received by ConnectivityService. This has the added advantage that
when apps get LinkProperties, they see the directly connected routes as well.

Bug: 63662962
Test: runtest frameworks-core -c android.net.LinkPropertiesTest
Test: runtest frameworks-services -c com.android.server.ConnectivityServiceTest
Test: Start with device with mobile data, set up ics-OpenVPN in always-on
      lockdown mode. Turn off mobile data then turn it back on, observe
      mobile data connectivity is restored and VPN successfully reconnects.

(cherry picked from commit 57b437a451)

Change-Id: Ia14f88bcf49d37286519c26dff6b7180303e2cbe
2017-09-07 14:17:57 +01:00
Rubin Xu
1724710b26 Merge "Always add local subnet routes to the interface's routing table" am: e624a19a59 am: 5e5c4e0805
am: e3469a426e

Change-Id: I21f4231c968b37cdcf1565279eedfb990dbc583b
2017-09-07 12:55:58 +00:00
Rubin Xu
57b437a451 Always add local subnet routes to the interface's routing table
For some networks such as mobile data connections, its LinkProperties
does not contain routes for the local subnet so no such route is added
to the interface's routing table. This can be problematic especially
if the device is in VPN lockdown mode where there exists high-priority
PROHIBIT routing rule which in turn blocks the network's default gateway
route from being added (next hop address hitting the prohibit rule).

We fix this by patching LinkProperties to always include direct connected routes
when they are received by ConnectivityService. This has the added advantage that
when apps get LinkProperties, they see the directly connected routes as well.

Bug: 63662962
Test: runtest frameworks-core -c android.net.LinkPropertiesTest
Test: runtest frameworks-services -c com.android.server.ConnectivityServiceTest
Test: Start with device with mobile data, set up ics-OpenVPN in always-on
      lockdown mode. Turn off mobile data then turn it back on, observe
      mobile data connectivity is restored and VPN successfully reconnects.
Change-Id: I35b614eebccfd22c4a5270f40256f9be1e25abfb
2017-09-07 10:50:20 +01:00
Tobias Thierer
62247ba406 Merge "Network: Use HttpURLConnectionFactory rather than OkHttp APIs" am: 278453f295 am: a1702d84ac am: 9949178f64
am: a88e0fe6a5

Change-Id: I1ed6962088be8a0999b81a19d84f5c1c7203dddb
2017-08-22 15:40:30 +00:00
Tobias Thierer
a1702d84ac Merge "Network: Use HttpURLConnectionFactory rather than OkHttp APIs"
am: 278453f295

Change-Id: I79db2f0dc0870f71ec21397545e2e6abb5c7142b
2017-08-22 15:00:24 +00:00
Tobias Thierer
278453f295 Merge "Network: Use HttpURLConnectionFactory rather than OkHttp APIs" 2017-08-22 14:07:16 +00:00
Hugo Benichi
9919085410 Merge "Allow NetworkAgent "immutable updates" to NetworkCapabilities" into oc-mr1-dev 2017-08-18 11:46:22 +00:00
Hugo Benichi
62b1b7f944 Merge "Add convenience methods to IpPrefix and LinkAddress" into oc-mr1-dev 2017-08-17 22:31:59 +00:00
Charles He
e0009f9145 Merge "Opt-out for always-on VPN: rename API." into oc-mr1-dev
am: 8b2513e439

Change-Id: Ie511c6f1034b75b4e797dbc0ca31c7c5c30f336e
2017-08-17 08:01:53 +00:00
Hugo Benichi
7db2c4771c Add convenience methods to IpPrefix and LinkAddress
Also moving relevant test files into tests/net as part of runtest
framworks-net.

Also removes testHashCode in LinkAddress() because this test relies on
the assumption that hashCode() is stable across releases or jdk
versions, which is absolutely not true.

This creates maintenance work for little benefit since hashCode is
already tested as part of the equality test.

For instance this test is now broken because hashing for InetAddress
changed.

Bug: 62988545
Bug: 62918393
Test: runtest frameworks-net, added coverage in tests
Merged-In: I695bc3f0e801bf13bc4fc0706565758f12b775b4
Merged-In: I6d3f3c50eaec44e3a0787e849ab28e89f6f4a72d
Merged-In: Iddfec82a08f845e728adadfa6ec58a60a078d6af
Merged-In: I8d6dd5efd226a8b1c4b05d1e1102362b58e094a1
Merged-In: Ied0cc53ac34c7c5f5539507b1979cbf9c215262e
Merged-In: I3b2b7dcb1a9a194fc08643b27bbb5a0e84e01412

(cherry picked from commit 3054e10286)

Change-Id: I9a17094bfdc54b9dec671306618e132a4beb59fc
2017-08-17 11:03:24 +09:00
Hugo Benichi
2f90b2dee0 Allow NetworkAgent "immutable updates" to NetworkCapabilities
This patch loosens the validation checks when a NetworkAgent updates it
NetworkCapabilities: instead of checking that capabilities labeled as
"immutable" stay identical across updates, it is now accepted to change
immutable capabilities in a way that the new NetworkCapabilities
satisfies the old NetworkCapabilities.

This allows a NetworkAgent to update itself in order to match more
requests, but will still catch NetworkAgents that sends degradation
updates causing potentially requests to not match anymore.

Bug: 64125969
Test: runtest frameworks-net
Merged-In: I2a1b3f9c0be6415e40edc989d0c1b03b5631f7b1
Merged-In: I0ab76de59e87c46a6961229399ff7200bce49838
Merged-In: Ied592bf6112574399a1e808da337004e1c35f244
Merged-In: I01e287b4df82a53a522566d33b3166f7801badca
Merged-In: I7ee60daa9c4266e9b9179032815dd7267e06377f
Merged-In: I31ef741eb83d64c476e5930d5762514b5d4cb16f

(cherry picked from commit 56a1054ab4)

Change-Id: I9d630d63336f4db69f3eb52faa8483f1b1e35d16
2017-08-17 10:48:41 +09:00
Hugo Benichi
1c12add10e Merge "Add convenience methods to IpPrefix and LinkAddress" am: 813f81f2f3 am: 27bdc7373a am: ac352b0eb0
am: 54ffa99f5b

Change-Id: Ied0cc53ac34c7c5f5539507b1979cbf9c215262e
2017-08-16 15:20:59 +00:00
Hugo Benichi
27bdc7373a Merge "Add convenience methods to IpPrefix and LinkAddress"
am: 813f81f2f3

Change-Id: I6d3f3c50eaec44e3a0787e849ab28e89f6f4a72d
2017-08-16 14:49:27 +00:00
Treehugger Robot
813f81f2f3 Merge "Add convenience methods to IpPrefix and LinkAddress" 2017-08-16 14:38:29 +00:00
Hugo Benichi
3054e10286 Add convenience methods to IpPrefix and LinkAddress
Also moving relevant test files into tests/net as part of runtest
framworks-net.

Also removes testHashCode in LinkAddress() because this test relies on
the assumption that hashCode() is stable across releases or jdk
versions, which is absolutely not true.

This creates maintenance work for little benefit since hashCode is
already tested as part of the equality test.

For instance this test is now broken because hashing for InetAddress
changed.

Bug: 62988545
Bug: 62918393
Test: runtest frameworks-net, added coverage in tests
Change-Id: I695bc3f0e801bf13bc4fc0706565758f12b775b4
2017-08-16 21:42:21 +09:00
Hugo Benichi
6703a93808 Merge "Allow NetworkAgent "immutable updates" to NetworkCapabilities" am: b35719a057 am: c11d6eafe9 am: e3d15057af
am: 69853a322c

Change-Id: I7ee60daa9c4266e9b9179032815dd7267e06377f
2017-08-16 12:23:25 +00:00
Hugo Benichi
c11d6eafe9 Merge "Allow NetworkAgent "immutable updates" to NetworkCapabilities"
am: b35719a057

Change-Id: I0ab76de59e87c46a6961229399ff7200bce49838
2017-08-16 11:50:55 +00:00
Hugo Benichi
56a1054ab4 Allow NetworkAgent "immutable updates" to NetworkCapabilities
This patch loosens the validation checks when a NetworkAgent updates it
NetworkCapabilities: instead of checking that capabilities labeled as
"immutable" stay identical across updates, it is now accepted to change
immutable capabilities in a way that the new NetworkCapabilities
satisfies the old NetworkCapabilities.

This allows a NetworkAgent to update itself in order to match more
requests, but will still catch NetworkAgents that sends degradation
updates causing potentially requests to not match anymore.

Bug: 64125969
Test: runtest frameworks-net
Change-Id: I2a1b3f9c0be6415e40edc989d0c1b03b5631f7b1
2017-08-16 18:30:30 +09:00
Charles He
4bfaefeb95 Opt-out for always-on VPN: rename API.
Rename the opt-out flag in AndroidManifest to
SERVICE_META_DATA_SUPPORTS_ALWAYS_ON
as directed by the API Council.

Bug: 64331776
Bug: 36650087
Test: runtest --path java/com/android/server/connectivity/VpnTest.java
Change-Id: I24326fad7a89083a2409134640bda81ee0359d08
2017-08-15 15:52:39 +01:00
Tobias Thierer
e0278689e1 Network: Use HttpURLConnectionFactory rather than OkHttp APIs
This is a refactoring with no behavior change.

The new class provides an abstraction layer to hide knowledge
about OkHttp-specific APIs. Logic from android.net.Network that
knew about OkHttp is moving into that abstraction layer.

This CL refactors android.net.Network to make use of this
abstraction layer instead of the tight coupling onto OkHttp
APIs. The class no longer imports any classes from okhttp
packages.

The values of mDns and mConnectionPool, which never change after
the initial call to maybeInitHttpClient(), are now set directly on
the AndroidHttpClient instance when it is constructed in that method.

Applications can overwrite getSocketFactory() and might depend on
that method being called (and the result used) every time a
connection is opened; therefore, for maximum app compatibility this
call was kept inside openConnection().

This CL is a prerequisite for introducing an additional frameworks
dependency on a richer API than HttpURLConnection.

Test: Build and install apk for FrameworksCoreTests, then run:
      adb shell am instrument -e class android.net.NetworkTest -w com.android.frameworks.coretests
Bug: 64021405

Change-Id: I2c73d260508ee20c6a40fd6e95e2d058d3ea2330
2017-08-08 13:08:36 +01:00
Treehugger Robot
47ce6588f3 Merge "Fix flaky IpPrefixTest." 2017-08-08 07:16:48 +00:00
Hugo Benichi
207b757194 Fix flaky IpPrefixTest.
Test: IpPrefixTest passes
Bug: 32561414
Merged-In: Ib4bffe9d33a6d4f5c2bd97798073de0f66d77645

(cherry pick from commit b3ac7ab583)

Change-Id: Ibaf11aae9b13af868bebff820c9e7615b63c8eb2
2017-08-08 14:54:08 +09:00
Hugo Benichi
da05c2351f Merge "NetworkCapabilities: fix describeImmutableDifferences" into oc-dr1-dev
am: 1b3877a965

Change-Id: I50748aa0c9332787797f91265afccf82ceabf332
2017-08-07 05:49:25 +00:00
Hugo Benichi
9f1128a81a NetworkCapabilities: fix describeImmutableDifferences
This patch fixes the mask used in describeImmutableDifferences which did
not correctly turn NET_CAPABILITY_NOT_METERED into bit flag.

Bug: 63326103
Test: added unit tests, runtest frameworks-net
Merged-In: Ib6b390b1daef5912859302692af7dcd6cfd3e39a
Merged-In: If38efacdeec8476880835657938e435f9b598525
Merged-In: Ieccad46fcffcaf748f5644b04617e9a82527000e
Merged-In: I533ef8fe369cec19d283ff2950314fce6e28cffd
Merged-In: I12636c6699ff60487a28570208e819ea0b66fa2e
Merged-In: Ie5df14e0ea1c12e0cfabe87978ac6c9b744353b2

(cherry picked from commit 66bdf0aa16)

Change-Id: I74ecf34a2c079c74152d00caea2c220e9c6d1fa5
2017-08-05 11:37:10 +09:00
Hugo Benichi
d8284017db Merge "NetworkCapabilities: fix describeImmutableDifferences" am: 7575ec2240 am: ec11d07dc0 am: ad0a1b3c2b
am: ae6ff2ba0f

Change-Id: I12636c6699ff60487a28570208e819ea0b66fa2e
2017-08-05 01:28:01 +00:00
Hugo Benichi
ec11d07dc0 Merge "NetworkCapabilities: fix describeImmutableDifferences"
am: 7575ec2240

Change-Id: If38efacdeec8476880835657938e435f9b598525
2017-08-05 00:54:43 +00:00
Hugo Benichi
66bdf0aa16 NetworkCapabilities: fix describeImmutableDifferences
This patch fixes the mask used in describeImmutableDifferences which did
not correctly turn NET_CAPABILITY_NOT_METERED into bit flag.

Bug: 63326103
Test: added unit tests, runtest frameworks-net
Change-Id: Ib6b390b1daef5912859302692af7dcd6cfd3e39a
2017-08-04 15:17:40 +09:00
Hugo Benichi
dc2b32d9a0 Merge "Logging improvements when NetworkCapabilities change"
am: 935759cfff

Change-Id: I886e39db8969eb1ac1dfe06c6f448e53a90fd92c
2017-07-31 01:50:38 +00:00
Hugo Benichi
1b62b12a72 Logging improvements when NetworkCapabilities change
This patch improves the wtf() logging in updateCapabilities to
better distinguish between the cases of a changed specifiers, changed
transports, or changed capabilities. The case of NOT_METERED being added
or removed is ignored.

Bug: 63326103
Test: runtest frameworks-net, runtest frameworks-wifi
Merged-In: I05c6e78891e1eac658f1cf883223af520a9a4f8f
Merged-In: I4f6cbc0adb461cef6610460daeba72ca38b8f10c
Merged-In: I165a8bbe8362100f1e2bb909459fb45b1c68d5ae
Merged-In: Iec6d92e9a3a12bab87c5adfaf17f776465077060
Merged-In: I633d6347a7f852c27c03fc96b36ca2a60f70c73c
Merged-In: I38739184fc0db105bfd3b4c02cce01e803739e5d
Merged-In: Ia58b877056e2442136cc8b145ac8f4e6560cfc2c

(cherry pick from commit 8c92888a2d)

Change-Id: Id32ca66068c8ff549627e8e8c0e50897ef928c58
2017-07-31 09:25:37 +09:00
Hugo Benichi
6f245ad896 Merge "Logging improvements when NetworkCapabilities change" into oc-dr1-dev
am: 5c55f974bf

Change-Id: I4f6cbc0adb461cef6610460daeba72ca38b8f10c
2017-07-28 23:54:03 +00:00
Hugo Benichi
8c92888a2d Logging improvements when NetworkCapabilities change
This patch improves the wtf() logging in updateCapabilities to
better distinguish between the cases of a changed specifiers, changed
transports, or changed capabilities. The case of NOT_METERED being added
or removed is ignored.

Bug: 63326103
Test: runtest frameworks-net, runtest frameworks-wifi
Change-Id: I05c6e78891e1eac658f1cf883223af520a9a4f8f
2017-07-28 15:25:54 +09:00
Steven Moreland
b7c7a50d80 Merge "frameworks/base: use proper nativehelper headers" am: 14be5aa9dd am: cfcb8bb224 am: c840945a78
am: 3c8fb393e1

Change-Id: Ibe321dd4a8aae9342c76da0780edf94b90e8cd3a
2017-07-20 03:11:00 +00:00
Steven Moreland
cfcb8bb224 Merge "frameworks/base: use proper nativehelper headers"
am: 14be5aa9dd

Change-Id: I36f10ff4d963284a313f1cc5b368f82549a4adb2
2017-07-20 02:50:53 +00:00
Treehugger Robot
14be5aa9dd Merge "frameworks/base: use proper nativehelper headers" 2017-07-20 02:42:49 +00:00
Steven Moreland
7a83225a9e frameworks/base: use proper nativehelper headers
libnativehelper exports headers under nativehelper. These were
available before incorrectly as global headers in order to give
access to jni.h.

Test: modules using frameworks/base find headers
Bug: 63762847
Change-Id: I0f9f231acdebe460f279135462f43d3e32eff64d
2017-07-19 10:06:40 -07:00
The Android Automerger
e16d531b66 Manually merge commit '530b93aae428'
* commit '530b93aae428':
  NetworkCapabilities: Unhide TRANSPORT_LOWPAN

BUG:31038431
2017-07-19 00:27:08 +00:00
Robert Quattlebaum
1d72e27026 Merge "NetworkCapabilities: Unhide TRANSPORT_LOWPAN"
am: f82bad29c7

Change-Id: I3ae9566ca52b9dae87cace18b1e97897eb8de0ad
2017-07-18 23:33:08 +00:00
Treehugger Robot
f82bad29c7 Merge "NetworkCapabilities: Unhide TRANSPORT_LOWPAN" 2017-07-18 23:09:58 +00:00
Charles He
729f0b476d Opt-out for always-on VPN
Always-on VPN is a feature introduced in N. Since then, all VPN apps
targeting N+ are assumed to support the feature, and the user or the DPC
can turn on / off always-on for any such VPN app. However, a few VPN
apps are not designed to support the always-on feature. Enabling
always-on for these apps will result in undefined behavior and confusing
"Always-on VPN disconnected" notification.

This feature provides a new manifest meta-data field through which a VPN
app can opt out of the always-on feature explicitly. This will stop the
always-on feature from being enabled for the app, both by the user and
by the DPC, and will clear its existing always-on state.

A @hide API is provided to check whether an app supports always-on VPN.
Documentation is updated to reflect the behavior change.

Bug: 36650087
Test: runtest --path java/com/android/server/connectivity/VpnTest.java
Test: cts-tradefed run cts --module CtsDevicePolicyManagerTestCases --test 'com.android.cts.devicepolicy.MixedDeviceOwnerTest#testAlwaysOnVpnUnsupportedPackage'
Test: cts-tradefed run cts --module CtsDevicePolicyManagerTestCases --test 'com.android.cts.devicepolicy.MixedDeviceOwnerTest#testAlwaysOnVpnUnsupportedPackageReplaced'
Test: cts-tradefed run cts --module CtsDevicePolicyManagerTestCases --test 'com.android.cts.devicepolicy.MixedProfileOwnerTest#testAlwaysOnVpnUnsupportedPackage'
Test: cts-tradefed run cts --module CtsDevicePolicyManagerTestCases --test 'com.android.cts.devicepolicy.MixedProfileOwnerTest#testAlwaysOnVpnUnsupportedPackageReplaced'
Test: cts-tradefed run cts --module CtsDevicePolicyManagerTestCases --test 'com.android.cts.devicepolicy.MixedManagedProfileOwnerTest#testAlwaysOnVpnUnsupportedPackage'
Test: cts-tradefed run cts --module CtsDevicePolicyManagerTestCases --test 'com.android.cts.devicepolicy.MixedManagedProfileOwnerTest#testAlwaysOnVpnUnsupportedPackageReplaced'

Change-Id: I477897a29175e3994d4ecf8ec546e26043c90f13
2017-07-18 00:55:38 +01:00
Jeff Sharkey
41a7269b04 Move "metered" persistence to WifiConfiguration.
For a long time we've had a nasty tangled dependency between Wi-Fi
and NPMS, since they both persisted different details for configured
networks.  As part of preparing for new carrier data plan APIs, move
the tracking of meteredness over to WifiConfiguration.

This also cleans up how meteredness is communicated through
NetworkAgents to rely completely on NET_CAPABILITY_NOT_METERED by
removing the metered flag on NetworkInfo, which has caused confusion
and staleness.

Migrates any existing user-configured metered networks over to
WifiConfiguration once the device finishes booting.

Remove support for NetworkQuotaInfo, since this information can no
longer be made available to apps.  Frustratingly, some apps are
using it, so keep the object around returning stub values, and shame
them in the logs.

Bug: 63391323
Test: builds, boots, Wi-Fi policy is upgraded
Exempt-From-Owner-Approval: Bug 63673347
Change-Id: I64f865ddeb65cfcd330f8d2a847368abdf960a07
2017-07-14 11:46:31 -06:00
Hugo Benichi
0c57cf16ee resolve merge conflicts of 4f2a0fe213e5 to stage-aosp-master
Test: I solemnly swear I tested this conflict resolution.
Change-Id: I61cfb2d4798350f28f1bb36aed67ee8f18895031
2017-07-14 07:25:51 +09:00
Hugo Benichi
ce7b23c488 IpManager: define InitialConfiguration
This patch adds a InitialConfiguration class to IpManager for specifying
IP information in IpManager ProvisioningConfiguration at IpManager
startup.

At the moment this InitialConfiguration is not used, but is validated in
startProvsiioning if ProvisioningConfiguration includes one. It will be
integrated into IpManager IP provisioning logic in follow-up patches.

This patch also includes an example of data driven unit tests using a
table of test case. The highlights of this methodology are:
  1) easy extensibility for new test case,
  2) rich and informative error messages,
Unfortunately Java support for inlined data structure literals is poor
and some companion static methods for data generation are required for
enabling this methodology.

Bug: 62988545
Test: added new test in FrameworksNetTests,
      $ runtest frameworks-net
      $ runtest frameworks-wifi
Merged-In: I060b02603af7d73a6407df89344bf0c000574af2

(cherry pick of commit 0c9a9404aa)

Change-Id: I48dbf89232d7758f1b07ed4d76ce93281e5c6b53
2017-07-14 04:26:42 +09:00
Hugo Benichi
0c9a9404aa IpManager: define InitialConfiguration
This patch adds a InitialConfiguration class to IpManager for specifying
IP information in IpManager ProvisioningConfiguration at IpManager
startup.

At the moment this InitialConfiguration is not used, but is validated in
startProvsiioning if ProvisioningConfiguration includes one. It will be
integrated into IpManager IP provisioning logic in follow-up patches.

This patch also includes an example of data driven unit tests using a
table of test case. The highlights of this methodology are:
  1) easy extensibility for new test case,
  2) rich and informative error messages,
Unfortunately Java support for inlined data structure literals is poor
and some companion static methods for data generation are required for
enabling this methodology.

Bug: 62988545
Test: added new test in FrameworksNetTests,
      $ runtest frameworks-net
      $ runtest frameworks-wifi

Change-Id: I060b02603af7d73a6407df89344bf0c000574af2
2017-07-13 22:42:50 +09:00
Robert Quattlebaum
4ec139be36 NetworkCapabilities: Unhide TRANSPORT_LOWPAN
This commit simply unhides the constant `TRANSPORT_LOWPAN` in the class
`android.net.NetworkCapabilities`, adding it to the public API.

Bug: b/63600204
Change-Id: I794635814c0bd3891cd22fcc1e31614e4d6ac654
2017-07-11 18:16:09 -07:00