audio: remove bowser specific audio HAL moving to common

Change-Id: I9f47833bb789bb16d58f14a8ecf92f2f5223a881
audio files: add bowser-specific audio policy and routing paths

Change-Id: I905ae20a8dca878e3540c9e914bc4681b8625a59
Merge remote-tracking branch 'kfire/cm-10.1' into cm-10.1

Conflicts:
	common.mk