General cleanup on AppRTC Android Demo codebase

webrtc/examples/androidapp/src/org/appspot/apprtc/CaptureQualityController.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 51 matching lines @@
      }
     }
   };
 
   @Override
   public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
     if (progress == 0) {
       width = 0;
       height = 0;
       framerate = 0;
-      captureFormatText.setText("Muted");
+      captureFormatText.setText(R.string.muted);
       return;
     }
 
     // Extract max bandwidth (in millipixels / second).
     long maxCaptureBandwidth = java.lang.Long.MIN_VALUE;
     for (CaptureFormat format : formats) {
       maxCaptureBandwidth = Math.max(maxCaptureBandwidth,
           (long) format.width * format.height * format.maxFramerate);
     }
 
@@ skipping 22 matching lines @@
     callEvents.onCaptureFormatChange(width, height, framerate);
   }
 
   // Return the highest frame rate possible based on bandwidth and format.
   private int calculateFramerate(double bandwidth, CaptureFormat format) {
     return (int) Math.round(Math.min(format.maxFramerate,
         (int) Math.round(bandwidth / (format.width * format.height))) / 1000.0);
   }
 }