Remove LooperExecutor and replace it with built-in HandlerThread.

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 afa7e44aad3d59e3c86a23da8c60160a3091c9c6..39740a35bb66d908253db3618317afc5c0db8d5c 100644
--- a/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
+++ b/webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
@@ -13,7 +13,6 @@ 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;
@@ -263,7 +262,7 @@ public class CallActivity extends Activity
     // Create connection client. Use DirectRTCClient if room name is an IP otherwise use the
     // standard WebSocketRTCClient.
     if (loopback || !DirectRTCClient.IP_PATTERN.matcher(roomId).matches()) {
-      appRtcClient = new WebSocketRTCClient(this, new LooperExecutor());
+      appRtcClient = new WebSocketRTCClient(this);
     } else {
       Log.i(TAG, "Using DirectRTCClient because room name looks like an IP.");
       appRtcClient = new DirectRTCClient(this);