Reland the CL to remove candidates when doing continual gathering

webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java

Index: webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java
diff --git a/webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java b/webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java
index 08f5b91d231a24227e519750ad2f761d60f4a98f..ca7c2f937f78163be2ac6def7503a6c6fc659328 100644
--- a/webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java
+++ b/webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java
@@ -150,6 +150,11 @@ public class PeerConnectionClientTest extends InstrumentationTestCase
   }
 
   @Override
+  public void onIceCandidatesRemoved(final IceCandidate[] candidates) {
+    // TODO(honghaiz): Add this for tests.
+  }
+
+  @Override
   public void onIceConnected() {
     Log.d(TAG, "ICE Connected");
     synchronized(iceConnectedEvent) {