Add option to set maximum video encoder bitrate to AppRTCDemo.

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

 /*
  *  Copyright 2015 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 640 matching lines @@
       @Override
       public void run() {
         if (appRtcClient != null) {
           logAndToast("Sending " + sdp.type + ", delay=" + delta + "ms");
           if (signalingParameters.initiator) {
             appRtcClient.sendOfferSdp(sdp);
           } else {
             appRtcClient.sendAnswerSdp(sdp);
           }
         }
+        if (peerConnectionParameters.videoMaxBitrate > 0) {
+          Log.d(TAG, "Set video maximum bitrate: " + peerConnectionParameters.videoMaxBitrate);
+          peerConnectionClient.setVideoMaxBitrate(peerConnectionParameters.videoMaxBitrate);
+        }
       }
     });
   }
 
   @Override
   public void onIceCandidate(final IceCandidate candidate) {
     runOnUiThread(new Runnable() {
       @Override
       public void run() {
         if (appRtcClient != null) {
@@ skipping 54 matching lines @@
         }
       }
     });
   }
 
   @Override
   public void onPeerConnectionError(final String description) {
     reportError(description);
   }
 }