Reland the CL to remove candidates when doing continual gathering

webrtc/api/androidtests/src/org/webrtc/PeerConnectionTest.java

Index: webrtc/api/androidtests/src/org/webrtc/PeerConnectionTest.java
diff --git a/webrtc/api/androidtests/src/org/webrtc/PeerConnectionTest.java b/webrtc/api/androidtests/src/org/webrtc/PeerConnectionTest.java
index bbaa15287e82330c264791bd1286896ee72ab52b..ff98d7d96afc6e9bdac77efc6cf432e8bfe9d29d 100644
--- a/webrtc/api/androidtests/src/org/webrtc/PeerConnectionTest.java
+++ b/webrtc/api/androidtests/src/org/webrtc/PeerConnectionTest.java
@@ -109,6 +109,9 @@ public class PeerConnectionTest extends ActivityTestCase {
       }
     }
 
+    @Override
+    public void onIceCandidatesRemoved(IceCandidate[] candidates) {}
+
     public synchronized void setExpectedResolution(int width, int height) {
       expectedWidth = width;
       expectedHeight = height;