audio: Subsystem Restart Changes

Add new audio parameter to indicate ADSP status during subsystem
restart.

Change-Id: Ic7496aa7181436c952232f617819a0e89820af43
libhardware: Remove unused sourceTransform field

 * This is not used and was leftover from CM10.  Kill with fire!

Change-Id: I4442180f70688a055a3e14b6f242acb8ffbf393f
Merge remote-tracking branch 'cm/cm-10.1' into cm-10.1