Adds support for OpenSL ES based audio capture on Android

webrtc/modules/audio_device/audio_device.gypi

 # Copyright (c) 2012 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.
 
 {
   'targets': [
@@ skipping 93 matching lines @@
                     'android/audio_record_jni.cc',
                     'android/audio_record_jni.h',
                     'android/audio_track_jni.cc',
                     'android/audio_track_jni.h',
                     'android/build_info.cc',
                     'android/build_info.h',
                     'android/opensles_common.cc',
                     'android/opensles_common.h',
                     'android/opensles_player.cc',
                     'android/opensles_player.h',
+                    'android/opensles_recorder.cc',
+                    'android/opensles_recorder.h',
                   ],
                   'link_settings': {
                     'libraries': [
                       '-llog',
                       '-lOpenSLES',
                     ],
                   },
                 }],
                 ['OS=="linux"', {
                   'sources': [
@@ skipping 127 matching lines @@
                 }],
               ], # conditions (for non-dummy devices)
             }], # use_dummy_audio_file_devices check
           ], # conditions
         }], # include_internal_audio_device==1
       ], # conditions
     },
   ],
 }