Android: Fix memory leak for remote MediaStream

webrtc/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java

Index: webrtc/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java
diff --git a/webrtc/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java b/webrtc/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java
index 51ef32ea53881fdefe5ee288125416dcf1cf80f4..e720fe74145e837256e1035382ef7768527caaba 100644
--- a/webrtc/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java
+++ b/webrtc/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java
@@ -911,11 +911,7 @@ public class PeerConnectionClient {
       executor.execute(new Runnable() {
         @Override
         public void run() {
-          if (peerConnection == null || isError) {
-            return;
-          }
           remoteVideoTrack = null;
-          stream.videoTracks.get(0).dispose();
         }
       });
     }