add audio-buffer-size command line flag support to the input audio for all the platforms

media/audio/android/audio_manager_android.h

Index: media/audio/android/audio_manager_android.h
diff --git a/media/audio/android/audio_manager_android.h b/media/audio/android/audio_manager_android.h
index ee5ad28e36e46e33e069554301f671fe178d8847..cb8feabc47e107f3efd38879d0381736e07a037b 100644
--- a/media/audio/android/audio_manager_android.h
+++ b/media/audio/android/audio_manager_android.h
@@ -29,8 +29,6 @@ class MEDIA_EXPORT AudioManagerAndroid : public AudioManagerBase {
       AudioDeviceNames* device_names) OVERRIDE;
   virtual void GetAudioOutputDeviceNames(
       AudioDeviceNames* device_names) OVERRIDE;
-  virtual AudioParameters GetInputStreamParameters(
-      const std::string& device_id) OVERRIDE;
 
   virtual AudioOutputStream* MakeAudioOutputStream(
       const AudioParameters& params,
@@ -64,6 +62,9 @@ class MEDIA_EXPORT AudioManagerAndroid : public AudioManagerBase {
   virtual AudioParameters GetPreferredOutputStreamParameters(
       const std::string& output_device_id,
       const AudioParameters& input_params) OVERRIDE;
+  virtual AudioParameters GetPreferredInputStreamParameters(
+      const std::string& input_device_id,
+      const AudioParameters& input_params) OVERRIDE;
 
  private:
   void InitializeOnAudioThread();