p1-common: misc updates

- update BT permissions and include vendor conf
- use common recovery.rc
- opt-in to new bionic optimizations
- remove some dead/useless code

Change-Id: I3c7edbaa0fadf1aca3e31150bf899e4106c3d95c

Conflicts:

	init.p1-common.rc
	libbt_vndcfg.txt

Signed-off-by: Humberto Borba <humberos@gmail.com>