audio: remove otter specific audio moving to common

Change-Id: Id538d5a2393ce3b5a76c0357bb30f612f10529e0
audio: update otter specific audio policy and routing paths

Change-Id: I17c8625cf96ac2ad9de8cf56ae8e2d5dd05f2b99
Merge remote-tracking branch 'kfire/cm-10.1' into x