s4-common: Remove unimplemented overlay items

Change-Id: Id1cebabd831f6db230d628249fe4e9a4bb9a575c
s4-common: Use permissive SELinux

Change-Id: If0ec4967804f35b5cea529592c27c0279f90eaf4
s4-common: Update audio policy

Change-Id: Iaa361054f87ab35948fa06623115995d7013f4da
s4-common: Update Adreno libraries

Change-Id: If8261fdf993efa06a160b685cce6073478729a24
Merge remote-tracking branch 'cm/cm-12.0' into HEAD