t0lte: initial L bring up

-selinux policies still need work
-switch fstab to by-name

Change-Id: I397931d0aa2ea7887774007acf40c9f03e66fb14
(cherry picked from commit 446d13b6d404d08ffd0fb5af7206e2c87f1c8413)

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml