Combine webrtc/api/java/android and webrtc/api/java/src.

webrtc/api/java/src/org/webrtc/AudioSource.java

-/*
- *  Copyright 2013 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.
- */
-
-package org.webrtc;
-
-/**
- * Java wrapper for a C++ AudioSourceInterface.  Used as the source for one or
- * more {@code AudioTrack} objects.
- */
-public class AudioSource extends MediaSource {
-  public AudioSource(long nativeSource) {
-    super(nativeSource);
-  }
-}