audio: Add new Audio daemon process

 - Add new audio daemon process.
 - Pupose of this daemon is to monitor and report changes ADSP
   processor state to audio framework/Audio flinger.
 - Specific sysfs node file on device indicates ADSP processor
   state as ONLINE or OFFLINE

Change-Id: Ibad54ea93cbb4fbc59ba599c76541c1f255d4c48
5 files changed