SystemUI: Smart Pixels [1/2]

Disables a percentage of pixels on screen to reduce power consumption.
If enabled with battery saver, don't scale brightness at 0.5f for UX.

Includes:
 - Option to enable on battery saver
 - User chosen grid
 - Burn-in protection

Change-Id: Id3c78548cb090ab2da11f543da31c5a408fb9fe9
Signed-off-by: Joe Maples <joe@frap129.org>
Signed-off-by: mydongistiny <jaysonedson@gmail.com>
8 files changed