Report errors creating peer connection in AppRTC Demo Android.

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

 /*
  *  Copyright 2014 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 268 matching lines @@
     if (peerConnectionParameters == null) {
       Log.e(TAG, "Creating peer connection without initializing factory.");
       return;
     }
     this.localRender = localRender;
     this.remoteRender = remoteRender;
     this.signalingParameters = signalingParameters;
     executor.execute(new Runnable() {
       @Override
       public void run() {
-        createMediaConstraintsInternal();
-        createPeerConnectionInternal(renderEGLContext);
+        try {
+          createMediaConstraintsInternal();
+          createPeerConnectionInternal(renderEGLContext);
+        } catch (Exception e) {
+          reportError("Failed to create peer connection: " + e.getMessage());
+          throw e;
+        }
       }
     });
   }
 
   public void close() {
     executor.execute(new Runnable() {
       @Override
       public void run() {
         closeInternal();
       }
@@ skipping 835 matching lines @@
     public void onCreateFailure(final String error) {
       reportError("createSDP error: " + error);
     }
 
     @Override
     public void onSetFailure(final String error) {
       reportError("setSDP error: " + error);
     }
   }
 }