Fix initialization of AudioTrack related output parameters

media/base/android/audio_decoder_job.cc

Index: media/base/android/audio_decoder_job.cc
diff --git a/media/base/android/audio_decoder_job.cc b/media/base/android/audio_decoder_job.cc
index 8c619bee23631083239b7cb5ba016aade1b17ed1..5b892144ed32f122f49941f8892bbeada7108ca0 100644
--- a/media/base/android/audio_decoder_job.cc
+++ b/media/base/android/audio_decoder_job.cc
@@ -186,6 +186,12 @@ MediaDecoderJob::MediaDecoderJobStatus
     return STATUS_FAILURE;
   }
 
+  // ConfigureAndStart() creates AudioTrack with |config_sampling_rate_|
+  // and |config_num_channels_|. Keep |output_...| in sync to detect the changes
+  // that might come with OnOutputFormatChanged().
+  output_sampling_rate_ = config_sampling_rate_;
+  output_num_channels_ = config_num_channels_;
+
   SetVolumeInternal();
 
   // Reset values used to track codec bridge output