Include QCOM CAF HALs by default

* Reduce confusion in roomservice

Change-Id: I3f9650d8adc65343dc7f51db9750c0a99c830aca
Make QCOM CAF audio HALs platform specific

Change-Id: Ie912fdb42b33feb5a75679de9f460e15fa9c6b49
Merge remote-tracking branch 'cyanogen/cm-12.0' into cm-12.0