Add connectivity protos to framework-connectivity

The protos are built separately by framework-connectivity from framework
protos, keeping only android.net protos for the connectivity jar.

Bug: 171860710
Test: m framework-connectivity.impl
Change-Id: I2c4a37ff2ee9e8efde49885feeafa27dcff7ca2c

framework/Android.bp

@@ -23,6 +23,25 @@ package {
     default_applicable_licenses: ["frameworks_base_license"],
 }
 
+java_library {
+    name: "framework-connectivity-protos",
+    proto: {
+        type: "nano",
+    },
+    srcs: [
+        // TODO: consider moving relevant .proto files directly to the module directory
+        ":framework-javastream-protos",
+    ],
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.tethering",
+    ],
+    jarjar_rules: "jarjar-rules-proto.txt",
+    visibility: [
+        "//visibility:private",
+    ],
+}
+
 filegroup {
     name: "framework-connectivity-internal-sources",
     srcs: [
@@ -111,6 +130,7 @@ java_library {
         "ServiceConnectivityResources",
     ],
     static_libs: [
+        "framework-connectivity-protos",
         "net-utils-device-common",
     ],
     jarjar_rules: "jarjar-rules.txt",

framework/jarjar-rules-proto.txt

@@ -0,0 +1,3 @@
+keep android.net.NetworkCapabilitiesProto
+keep android.net.NetworkProto
+keep android.net.NetworkRequestProto

framework/jarjar-rules.txt

@@ -5,3 +5,6 @@ zap android.annotation.**
 zap com.android.net.module.annotation.**
 zap com.android.internal.annotations.**
 
+rule android.net.NetworkCapabilitiesProto* android.net.connectivity.proto.NetworkCapabilitiesProto@1
+rule android.net.NetworkProto* android.net.connectivity.proto.NetworkProto@1
+rule android.net.NetworkRequestProto* android.net.connectivity.proto.NetworkRequestProto@1