Extend SEPolicy

Change-Id: I292134d5b4069aee20fafc73a30de8a3102e2dce
Signed-off-by: Paul <javelinanddart@gmail.com>
Unify dedicated storage and /data/media variants

Swap recovery.fstab during init if bootloader 2.16 is detected. Requires
TWRP commit 'Attempt to automatically identify data/media devices'.

Change-Id: I7f7155cadda9749cc0ed75400e2b8ba5842d67d1
Signed-off-by: Paul <javelinanddart@gmail.com>

Conflicts:
	BoardConfig.mk
	device.mk
	recovery/etc/init.recovery.qcom.rc