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

media/audio/audio_parameters.h

Index: media/audio/audio_parameters.h
diff --git a/media/audio/audio_parameters.h b/media/audio/audio_parameters.h
index b23d26fdcae0e9ff57f310a826348cfea2a11a39..cbcb93240d90d4318a528f95e8c9bf2f5f7f6a1c 100644
--- a/media/audio/audio_parameters.h
+++ b/media/audio/audio_parameters.h
@@ -108,6 +108,16 @@ class MEDIA_EXPORT AudioParameters {
            frames_per_buffer_ == other.frames_per_buffer() &&
            effects_ == other.effects();
   }
+  bool operator!=(const AudioParameters& other) const {
+    return format_ != other.format() ||
+           sample_rate_ != other.sample_rate() ||
+           channel_layout_ != other.channel_layout() ||
+           channels_ != other.channels() ||
+           input_channels_ != other.input_channels() ||
+           bits_per_sample_ != other.bits_per_sample() ||
+           frames_per_buffer_ != other.frames_per_buffer() ||
+           effects_ != other.effects();
+  }
 
  private:
   // These members are mutable to support entire struct assignment. They should