187d01765b
Once all device discovery action is done if there is audio amplifier on device list, it should trigger system audio initiation action. On or off of system audio is decided by Tv's last audio setting (speaker). If system audio was the last audio setting, it will try to turn on system audio; otherwise will turn it off. In other hands, SystemAudioStatusAction is added to update system audio status (mute or volume) after SystemAudioAutoInitiationAction. In fact, RequestArcAction has almost same code as it has and will refactore RequesArcAction in the following changes. Change-Id: I3d591242e79549cb73e14546f0d057ba08f878ef