Motown: Change media type (stream type) representation

services/media/audio/platform/linux/alsa_output_desktop.cc

Index: services/media/audio/platform/linux/alsa_output_desktop.cc
diff --git a/services/media/audio/platform/linux/alsa_output_desktop.cc b/services/media/audio/platform/linux/alsa_output_desktop.cc
index 2dba5f341761a9a8144fe1b476cfda021565780a..da5198328e30ad61870d9d4522b774e95ddfcb9f 100644
--- a/services/media/audio/platform/linux/alsa_output_desktop.cc
+++ b/services/media/audio/platform/linux/alsa_output_desktop.cc
@@ -70,17 +70,17 @@ void AlsaOutput::AlsaClose() {
 }
 
 MediaResult AlsaOutput::AlsaSelectFormat(
-    const LpcmMediaTypeDetailsPtr& config) {
+    const AudioMediaTypeDetailsPtr& config) {
   switch (config->sample_format) {
-  case LpcmSampleFormat::UNSIGNED_8:
+  case AudioSampleFormat::UNSIGNED_8:
     alsa_format_ = SND_PCM_FORMAT_U8;
     break;
 
-  case LpcmSampleFormat::SIGNED_16:
+  case AudioSampleFormat::SIGNED_16:
     alsa_format_ = SND_PCM_FORMAT_S16;
     break;
 
-  case LpcmSampleFormat::SIGNED_24_IN_32:
+  case AudioSampleFormat::SIGNED_24_IN_32:
   default:
     return MediaResult::UNSUPPORTED_CONFIG;
   }