Replace LooperExecutor with built-in class in Android AppRTC Demo

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

Index: webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
diff --git a/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java b/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
index 9109383f4531db48d64cc78d2143291dba4f75da..7447d059bff38b392fed1d723e40a3503cef2596 100644
--- a/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
+++ b/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
@@ -10,11 +10,6 @@
 
 package org.appspot.apprtc;
 
-import org.appspot.apprtc.AppRTCClient.RoomConnectionParameters;
-import org.appspot.apprtc.AppRTCClient.SignalingParameters;
-import org.appspot.apprtc.PeerConnectionClient.PeerConnectionParameters;
-import org.appspot.apprtc.util.LooperExecutor;
-
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.FragmentTransaction;
@@ -30,12 +25,16 @@ import android.view.Window;
 import android.view.WindowManager.LayoutParams;
 import android.widget.Toast;
 
+import org.appspot.apprtc.AppRTCClient.RoomConnectionParameters;
+import org.appspot.apprtc.AppRTCClient.SignalingParameters;
+import org.appspot.apprtc.PeerConnectionClient.PeerConnectionParameters;
+import org.appspot.apprtc.util.LooperExecutor;
 import org.webrtc.EglBase;
 import org.webrtc.IceCandidate;
 import org.webrtc.PeerConnectionFactory;
+import org.webrtc.RendererCommon.ScalingType;
 import org.webrtc.SessionDescription;
 import org.webrtc.StatsReport;
-import org.webrtc.RendererCommon.ScalingType;
 import org.webrtc.SurfaceViewRenderer;
 
 /**
@@ -245,7 +244,7 @@ public class CallActivity extends Activity
       appRtcClient = new WebSocketRTCClient(this, new LooperExecutor());
     } else {
       Log.i(TAG, "Using DirectRTCClient because room name looks like an IP.");
-      appRtcClient = new DirectRTCClient(this, new LooperExecutor());
+      appRtcClient = new DirectRTCClient(this);
     }
     // Create connection parameters.
     roomConnectionParameters = new RoomConnectionParameters(
@@ -314,9 +313,6 @@ public class CallActivity extends Activity
     }
     activityRunning = false;
     rootEglBase.release();
-    if (cpuMonitor != null) {
-      cpuMonitor.release();
-    }
     super.onDestroy();
   }