use squisher

Change-Id: I1a605ccb24f91335be3be54b96d4511e8b94c462
add squisher-extras.txt

List of files that squisher removes from the final system images.

Change-Id: I7ddb8c2f3a457bfa69f79a8fa46308c983039ceb
libaudio: update to new fm volume api

Change-Id: I0c74a4e55a2f4cc90611ade6525a7b145e7b1198
switch to new qcom fm

Change-Id: I24c37af69a31f3d3b6ed4d21e8156170a4df0ef9