Refactor stopCapture to be asynchronous in VideoCapturerAndroid.

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 f12d5ce48f7c816f2718cd5abbf0b5b919ceb39b..f2c5270afffabb83597e07936ea39c3da185c622 100644
--- a/webrtc/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java
+++ b/webrtc/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java
@@ -575,11 +575,7 @@ public class PeerConnectionClient {
     }
     Log.d(TAG, "Stopping capture.");
     if (videoCapturer != null) {
-      try {
-        videoCapturer.stopCapture();
-      } catch(InterruptedException e) {
-        throw new RuntimeException(e);
-      }
+      videoCapturer.stopCapture();
       videoCapturer.dispose();
       videoCapturer = null;
     }
@@ -768,9 +764,7 @@ public class PeerConnectionClient {
       public void run() {
         if (videoCapturer != null && !videoCapturerStopped) {
           Log.d(TAG, "Stop video source.");
-          try {
-            videoCapturer.stopCapture();
-          } catch (InterruptedException e) {}
+          videoCapturer.stopCapture();
           videoCapturerStopped = true;
         }
       }