Added timeout on Dawn inactivity.
Dawn signals sound service of activity/inactivity
MediaPlayer prepare synchronous because it's always a local file.
Configure DawnSound from Start Intent.
Rename into m_volumeUpdateTimer.
Small Timer refactoring.
inactiveTimer from Timer to Handler.
volume update as Handler instead of Timer
Placeholder to use hasVibrator
update brightness with Handler instead of Timer. Minor changes.
Resize slider Timer into Handler.