CM Performance Settings

Port of cyanogenmod's performance settings to AOSPA.
All credit goes to CM, the original author, and DvTonder

Change-Id: I0dfd1f48af6d2e3a8f4a98ba391faeceadd973d7
Signed-off-by: Evan Anderson <evan1124@gmail.com>
Merge branch 'jellybean' into float