Removing old channel code from a few more places.

Plus adding peer connection close event.

R=jiayl@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/37509004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7982 4adac7df-926f-26a2-2b94-8c16560cd09d

talk/examples/android/src/org/appspot/apprtc/AppRTCDemoActivity.java

@@ -513,14 +513,6 @@ public class AppRTCDemoActivity extends Activity
     };
     videoView.postDelayed(repeatedStatsLogger, 1000);
 
-    logAndToast("Waiting for remote connection...");
-  }
-
-  @Override
-  public void onChannelOpen() {
-    if (pc == null) {
-      return;
-    }
     if (signalingParameters.initiator) {
       logAndToast("Creating OFFER...");
       // Create offer. Offer SDP will be sent to answering client in
@@ -600,6 +592,10 @@ public class AppRTCDemoActivity extends Activity
     disconnect();
   }
 
+  @Override
+  public void onPeerConnectionClosed() {
+  }
+
   @Override
   public void onPeerConnectionError(String description) {
     if (!isError) {