proprietary-files: Use Omx*Dec from 4.4 on all msm8960

Change-Id: Ib3c280acde1cf4816f6c686358552d89d2724a33
overlay: Fix BT and USB tether interface names

Change-Id: I1d4f5ed34ad75f9549d2b7622b717b871993c50f
modify sepolicy and add neon cflags
Set BOARD_USES_LEGACY_ALSA_AUDIO to be compatible with aosp/caf

Change-Id: I75799fbfa313eef8b72fb6d7bba72fe1c59cbcc4