Revert of Add the url attribute to the IceCandidate (Java Wrapper)

webrtc/examples/androidjunit/src/org/appspot/apprtc/DirectRTCClientTest.java

 /*
  *  Copyright 2016 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 23 matching lines @@
  * behaviour.
  */
 @RunWith(LocalRobolectricTestRunner.class)
 @Config(manifest = Config.NONE)
 public class DirectRTCClientTest {
   private static final String ROOM_URL = "";
   private static final boolean LOOPBACK = false;
 
   private static final String DUMMY_SDP_MID = "sdpMid";
   private static final String DUMMY_SDP = "sdp";
-  private static final String DUMMY_SERVER_URL = "serverUrl";
 
   public static final int SERVER_WAIT = 100;
   public static final int NETWORK_TIMEOUT = 1000;
 
   private DirectRTCClient client;
   private DirectRTCClient server;
 
   AppRTCClient.SignalingEvents clientEvents;
   AppRTCClient.SignalingEvents serverEvents;
 
@@ skipping 75 matching lines @@
     server.sendOfferSdp(offerSdp);
     verify(clientEvents, timeout(NETWORK_TIMEOUT))
         .onConnectedToRoom(any(AppRTCClient.SignalingParameters.class));
 
     SessionDescription answerSdp =
         new SessionDescription(SessionDescription.Type.ANSWER, DUMMY_SDP);
     client.sendAnswerSdp(answerSdp);
     verify(serverEvents, timeout(NETWORK_TIMEOUT))
         .onRemoteDescription(isNotNull(SessionDescription.class));
 
-    IceCandidate candidate = new IceCandidate(DUMMY_SDP_MID, 0, DUMMY_SDP, DUMMY_SERVER_URL);
+    IceCandidate candidate = new IceCandidate(DUMMY_SDP_MID, 0, DUMMY_SDP);
     server.sendLocalIceCandidate(candidate);
     verify(clientEvents, timeout(NETWORK_TIMEOUT))
         .onRemoteIceCandidate(isNotNull(IceCandidate.class));
 
     client.sendLocalIceCandidate(candidate);
     verify(serverEvents, timeout(NETWORK_TIMEOUT))
         .onRemoteIceCandidate(isNotNull(IceCandidate.class));
 
     client.disconnectFromRoom();
     verify(clientEvents, timeout(NETWORK_TIMEOUT)).onChannelClose();
     verify(serverEvents, timeout(NETWORK_TIMEOUT)).onChannelClose();
 
     verifyNoMoreInteractions(clientEvents);
     verifyNoMoreInteractions(serverEvents);
   }
 }