Add a virtual beamforming audio device on ChromeOS.

components/audio_modem/audio_recorder_impl.cc

Index: components/audio_modem/audio_recorder_impl.cc
diff --git a/components/audio_modem/audio_recorder_impl.cc b/components/audio_modem/audio_recorder_impl.cc
index e2826887b871368bd61623f7ffe8b621d63b51e8..437c41d7d58ddb1daac873aa38afbb4809632d34 100644
--- a/components/audio_modem/audio_recorder_impl.cc
+++ b/components/audio_modem/audio_recorder_impl.cc
@@ -102,12 +102,9 @@ void AudioRecorderImpl::InitializeOnAudioThread() {
   } else {
     params = media::AudioManager::Get()->GetInputStreamParameters(
         media::AudioManagerBase::kDefaultDeviceId);
-    params = media::AudioParameters(params.format(),
-                                    params.channel_layout(),
-                                    params.sample_rate(),
-                                    params.bits_per_sample(),
-                                    params.frames_per_buffer(),
-                                    media::AudioParameters::NO_EFFECTS);
+    params = media::AudioParameters(
+        params.format(), params.channel_layout(), params.sample_rate(),
+        params.bits_per_sample(), params.frames_per_buffer());
   }
 
   total_buffer_frames_ = kProcessIntervalMs * params.sample_rate() / 1000;