Move talk/app/webrtc to webrtc/api

webrtc/api/java/src/org/webrtc/DataChannel.java

 /*
  * libjingle
  * Copyright 2013 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 123 matching lines @@
     // ByteBuffer is direct and/or is backed by an array.
     byte[] data = new byte[buffer.data.remaining()];
     buffer.data.get(data);
     return sendNative(data, buffer.binary);
   }
   private native boolean sendNative(byte[] data, boolean binary);
 
   /** Dispose of native resources attached to this channel. */
   public native void dispose();
 };