Merge changes from topic 'net-update-mr2-dev-plus-aosp' into nyc-mr2-dev-plus-aosp
* changes:
DO NOT MERGE: Add IP conn metrics to dumpsys and bug reports
DO NOT MERGE: Add missing dependency.
DO NOT MERGE: Show notification for always-on app VPN
DO NOT MERGE: Implement metered tracking for NetworkStats summary queries.
DO NOT MERGE: ConnectivityServiceTest: fix testAvoidBadWifiSettings
DO NOT MERGE: Fix ConnectivityServiceTest testRequestBenchmark
DO NOT MERGE: Switch over to new "time.android.com" NTP pool.
DO NOT MERGE: Define API for metering network stats buckets.
DO NOT MERGE: Refactored NetworkStatsServiceTest to use Mockito instead of EasyMock.
DO NOT MERGE: Use @Ignore to explicitly disable a @Test method.
DO NOT MERGE: Fixed NetworkStatsServiceTest and converted it to JUnit4.
DO NOT MERGE: ConnectivityThread: use lazy holder idiom
DO NOT MERGE: ConnectivityManager: use ConnectivityThread looper
DO NOT MERGE: ConnectivityManager: a simpler CallbackHandler
DO NOT MERGE: Indicate the NsdServiceInfo attributes are only filled in for a resolved service.
DO NOT MERGE: Add a null check for the OnStartTetheringCallback.
DO NOT MERGE: [CS] Remove timeout event after first available
DO NOT MERGE: ApfTest: tag tests with @SmallTest or @MediumTest
DO NOT MERGE: Unbreak TetherInterfaceStateMachineTest.
DO NOT MERGE: Move the connectivity tests to frameworks/base/tests/net.
DO NOT MERGE: De-guava BroadcastInterceptingContext and move it to testutils.
DO NOT MERGE: Move FakeSettingsProvider to a common location.
DO NOT MERGE: ConnectivityServiceTest: mark flaky test as such
DO NOT MERGE: Add fuzzing tests to ApfFilter RA processing
DO NOT MERGE: Support timeouts for requestNetwork() invocations.
DO NOT MERGE: Silence the obnoxious MTU 0 error message that occur when no MTU is specified for a given network.