[Merge to M59] cros: Update virtual audio label name to Built-in mic/speaker

media/audio/cras/audio_manager_cras.cc

Index: media/audio/cras/audio_manager_cras.cc
diff --git a/media/audio/cras/audio_manager_cras.cc b/media/audio/cras/audio_manager_cras.cc
index a1d059e5ed91a60f43e365c800b32f247a8dfd68..49d9b875f4656034706f6a6c6f222d750d7ea07d 100644
--- a/media/audio/cras/audio_manager_cras.cc
+++ b/media/audio/cras/audio_manager_cras.cc
@@ -50,8 +50,8 @@ const int kDefaultInputBufferSize = 1024;
 const char kBeamformingOnDeviceId[] = "default-beamforming-on";
 const char kBeamformingOffDeviceId[] = "default-beamforming-off";
 
-const char kInternalInputDevice[] = "Built-in-mic";
-const char kInternalOutputDevice[] = "Built-in-speaker";
+const char kInternalInputDevice[] = "Built-in mic";
+const char kInternalOutputDevice[] = "Built-in speaker";
 
 enum CrosBeamformingDeviceState {
   BEAMFORMING_DEFAULT_ENABLED = 0,