WIP: Audio fixes

Fixes earpiece for calls (tested Tx / Rx).
Proposed fix for Speaker Tx (fixed ID 11 instead of 13, just like on msm8960), Speaker Rx needs fixing (it's mute).

Change-Id: I9e4b0ea730874c4ea2ddba80a52f3c8236a4a322
Fix speakerphone: Device doesn't use fluence

Change-Id: Ie0bf021292f9b384ab226708f0926d4ee1876165
charger: Actually use the charger res

Change-Id: Ic7a33135c293975fd48530a90e1523f4cd76ebd6
selinux: Enable enforcing

Change-Id: I69a70a84bce41f3159539ff468cf67e539ccf0c4