These constants will now be including all the reasons for why an
uid's network access can be blocked, instead of only the
restrictions that could be imposed by NPMS.
Bug: 183473548
Test: atest ./tests/cts/hostside/src/com/android/cts/net/HostsideRestrictBackgroundNetworkTests.java
Ignore-AOSP-First: Merging internally first to handle conflicts.
Change-Id: I4c544415e12adf442fd2415c371b1b70a39c3aa4