remove old sensor service and implement SensorManager
on top of the new (native) SensorManger API.
Change-Id: Iddb77d498755da3e11646473a44d651f12f40281
Initial commit for review.
Integrated comments after patch set 1 review.
Fixed lockup in AudioFlinger::ThreadBase::exit()
Fixed lockup when playing tone with AudioPlocyService startTone()