Move webrtc/audio/audio_sink.h to webrtc/ and fix some dependencies.

webrtc/voice_engine/voice_engine.gyp

 # Copyright (c) 2011 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.
 
 {
   'includes': [
     '../build/common.gypi',
   ],
   'targets': [
     {
       'target_name': 'voice_engine',
       'type': 'static_library',
       'dependencies': [
+        '<(webrtc_root)/base/base.gyp:rtc_base_approved',
         '<(webrtc_root)/common.gyp:webrtc_common',
         '<(webrtc_root)/common_audio/common_audio.gyp:common_audio',
         '<(webrtc_root)/modules/modules.gyp:audio_coding_module',
         '<(webrtc_root)/modules/modules.gyp:audio_conference_mixer',
         '<(webrtc_root)/modules/modules.gyp:audio_device',
         '<(webrtc_root)/modules/modules.gyp:audio_processing',
         '<(webrtc_root)/modules/modules.gyp:bitrate_controller',
         '<(webrtc_root)/modules/modules.gyp:media_file',
         '<(webrtc_root)/modules/modules.gyp:paced_sender',
         '<(webrtc_root)/modules/modules.gyp:rtp_rtcp',
@@ skipping 261 matching lines @@
               'sources': [
                 'voe_auto_test.isolate',
               ],
             },
           ],
         }],
       ],  # conditions
     }], # include_tests==1
   ], # conditions
 }