FastTorch [2/2]

Long-press power button w/ screen off to enable torch

Setting is removed from ButtonSettings when Torch app not installed

Signed-off-by: nuclearmistake <nuclearmistake@gmail.com>
Change-Id: I3a5ffa3aedcefda775964e9c4ce0631dbf3e7944
Signed-off-by: scott <scott@ubuntu>

Conflicts:
	res/values/vanir_strings.xml
	res/xml/button_settings.xml
AppOps/Privacy Guard: Fix up misaligned switches.

Change-Id: Ic9e1e09ac911e552599f7bca6fb71b2808548f1d