Use mockito-extended in FrameworksNetTests

This is necessary to mock classes like BatteryStatsManager, which cannot
be used without signature permissions, and to merge the test with other
test suites that use mockito extended.

Bug: 187935317
Test: atest FrameworksNetTests
Change-Id: I5dba65d806c5d06b3ff8f633846edb911a7a44ec

tests/unit/java/android/net/ConnectivityManagerTest.java

@@ -46,6 +46,7 @@ import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.ArgumentMatchers.nullable;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyInt;
+import static org.mockito.Mockito.doCallRealMethod;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.reset;
@@ -216,6 +217,7 @@ public class ConnectivityManagerTest {
         ConnectivityManager manager = new ConnectivityManager(mCtx, mService);
         NetworkRequest request = makeRequest(1);
         NetworkCallback callback = mock(ConnectivityManager.NetworkCallback.class);
+        doCallRealMethod().when(callback).onAvailable(any(), any(), any(), anyInt());
         Handler handler = new Handler(Looper.getMainLooper());
         ArgumentCaptor<Messenger> captor = ArgumentCaptor.forClass(Messenger.class);
 
@@ -244,6 +246,7 @@ public class ConnectivityManagerTest {
         NetworkRequest req1 = makeRequest(1);
         NetworkRequest req2 = makeRequest(2);
         NetworkCallback callback = mock(ConnectivityManager.NetworkCallback.class);
+        doCallRealMethod().when(callback).onAvailable(any(), any(), any(), anyInt());
         Handler handler = new Handler(Looper.getMainLooper());
         ArgumentCaptor<Messenger> captor = ArgumentCaptor.forClass(Messenger.class);