Enable OTG storage

Change-Id: Id2be790784552b0dee6e650d97aa7eb35582919e
Enable Torch

Change-Id: I22e7f7026d63fc6240c208f034e03b335a556c7b

Conflicts:
	overlay/packages/apps/Settings/res/values/config.xml
manta: add battery led support

Patchset 1: add led config flag
Patchset 2-4: fix whitespace issues

Change-Id: Ic54ac23350e7f18dc9fed59275bdd2e6f7115844
Add TARGET_ARCH_VARIANT to cortex-a15