Add a virtual beamforming audio device on ChromeOS.

media/audio/android/audio_manager_android.cc

Index: media/audio/android/audio_manager_android.cc
diff --git a/media/audio/android/audio_manager_android.cc b/media/audio/android/audio_manager_android.cc
index 0590ffcc1443f3b92965ea98e915ce6e197dc72e..ac7314db9fd6971ae1806a483b1b77d051c4ab60 100644
--- a/media/audio/android/audio_manager_android.cc
+++ b/media/audio/android/audio_manager_android.cc
@@ -140,9 +140,9 @@ AudioParameters AudioManagerAndroid::GetInputStreamParameters(
   if (user_buffer_size)
     buffer_size = user_buffer_size;
 
-  AudioParameters params(
-      AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout,
-      GetNativeOutputSampleRate(), 16, buffer_size, effects);
+  AudioParameters params(AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout,
+                         GetNativeOutputSampleRate(), 16, buffer_size, "",
+                         effects);
   return params;
 }
 
@@ -306,9 +306,8 @@ AudioParameters AudioManagerAndroid::GetPreferredOutputStreamParameters(
   if (user_buffer_size)
     buffer_size = user_buffer_size;
 
-  return AudioParameters(
-      AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout,
-      sample_rate, bits_per_sample, buffer_size, AudioParameters::NO_EFFECTS);
+  return AudioParameters(AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout,
+                         sample_rate, bits_per_sample, buffer_size);
 }
 
 bool AudioManagerAndroid::HasNoAudioInputStreams() {