Show more hardware information about the device

pulls the following build.prop settings and displays them

ro.device.cpu
re.device.gpu
ro.device.front_cam
ro.device.rear_cam
ro.device.screen_res

Change-Id: Id6004fd0a64926e27aa75e58342aa51934fa62e6
Signed-off-by: Roman Birg <romanbirg@gmail.com>

Signed-off-by: KhasMek <Boushh@gmail.com>
Signed-off-by: iceandfire <arhamjamal@gmail.com>

Conflicts:
	res/values/strings.xml
[2/2] settings: add CPU info overlay

this shows
CPU temp (if available)
for every core governor + online + freq

Change-Id: I28c1e48c2e613b33c301b61cead70678ab6a2e9b

Conflicts:
	res/values/custom_strings.xml