Nexus audio files

Change-Id: Ibde1aa9a32aa583e123635498c274c0a0ff29ac7
Merge "AudioService: Restore volumes after boot and when a headset is plugged" into cm-10.1
ServiceState: add support for DCHSPAP

Change-Id: Ib0a328652c14580718400b00146b770481be5458
Merge pull request #17 from klin1344/cm-10.1

Bring in recent audio features from CM
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1