[Chromecast] Fix CastMediaClient::IsSupportedAudioConfig() for (E)AC3 on Android

chromecast/renderer/cast_content_renderer_client.cc

Index: chromecast/renderer/cast_content_renderer_client.cc
diff --git a/chromecast/renderer/cast_content_renderer_client.cc b/chromecast/renderer/cast_content_renderer_client.cc
index f1e905ed17cd17fafbed673f39e669981efbb5ac..7af90145fc55c523d860c68d08f03b0d48e4e9e5 100644
--- a/chromecast/renderer/cast_content_renderer_client.cc
+++ b/chromecast/renderer/cast_content_renderer_client.cc
@@ -118,6 +118,15 @@ void CastContentRendererClient::AddSupportedKeySystems(
 bool CastContentRendererClient::IsSupportedAudioConfig(
     const ::media::AudioConfig& config) {
 #if defined(OS_ANDROID)
+  media::AudioCodec codec = media::ToCastAudioCodec(config.codec);
+
+  // No ATV device we know of has (E)AC3 decoder, so it relies on the audio sink
+  // device.
+  if (codec == media::kCodecEAC3)
+    return media::MediaCapabilities::HdmiSinkSupportsEAC3();
+  if (codec == media::kCodecAC3)
+    return media::MediaCapabilities::HdmiSinkSupportsAC3();
+
   // TODO(sanfin): Implement this for Android.
   return true;
 #else