Report errors creating peer connection in AppRTC Demo Android.

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 94b66a769f51069a6388a3aba9cc34df58eed8fc..8b4f17c6139efab73fdd26c4db48cf04c160ab8a 100644
--- a/webrtc/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java
+++ b/webrtc/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java
@@ -286,8 +286,13 @@ public class PeerConnectionClient {
     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;
+        }
       }
     });
   }