Adding liblights and enable battery light settings with overlay

Change-Id: Ic195efafde9dba965727d055576df5f6b2a1431b

Conflicts:
	device.mk
Ambient Display: set dozeAfterScreenOff bool to true
Remove BatteryLED bools
Revert "Ambient Display: set dozeAfterScreenOff bool to true"

This reverts commit 2cba760ccfee41a25131b42575fc8d74b447fbbf.