Add more variants to the barrier

Change-Id: I3247fc0c6ad5a9cf5d1aa64ea998ddeaaa3963be
Enable BT tethering
ril: Mask out apparently-wrong data state indicator in EHRPD...
Enable USB storage mounting
g2: Add camera wrapper

For now, just to fixup the scene-modes and include HDR...
audio: Increase the LPA buffer size
bt: Don't separate the sleep and LPM modes