Merge changes from topic "tether_offload_data_limit"

* changes:
  Make tethering module to use netd_aidl_interface-unstable-java
  [BOT.5] Move class Ipv6ForwardingRule from IpServer to the coordinator
  [BOT.3] Add unit test for polling network stats in the coordinator
  [BOT.2] Create a coordinator and stats provider to provide tether stats
  [BOT.1] Add a class ForwardedStats in TetheringUtils
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringNotificationUpdaterTest.kt b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringNotificationUpdaterTest.kt
index 745468f..7d5471f 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringNotificationUpdaterTest.kt
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringNotificationUpdaterTest.kt
@@ -130,7 +130,7 @@
         context = TestContext(InstrumentationRegistry.getInstrumentation().context)
         doReturn(notificationManager).`when`(mockContext)
                 .getSystemService(Context.NOTIFICATION_SERVICE)
-        fakeTetheringThread = HandlerThread(this::class.simpleName)
+        fakeTetheringThread = HandlerThread(this::class.java.simpleName)
         fakeTetheringThread.start()
         notificationUpdater = WrappedNotificationUpdater(context, fakeTetheringThread.looper)
         setupResources()