m8: offmode charging for lollipop

* Rid ourselves of lpm.rc and instead use the on charger trigger
* Add selinux policies to go along with this

Change-Id: I9beac06692111f8579dd27dce2269383112a1d57
props: enable third camera

Change-Id: Ieccef3e8e9882fffcb01300bba9b2db091bb4742
m8: fix a2dp: set sample rate to 48K

Sets the sample rate for Bluetooth to 48k to fix issue where pausing
music while connected results in about 3 seconds of playback, then
silence, yet still shows as playing.

Change-Id: I3cdfcfb7073d24b32937ee25e7ec2f1243559ec5