Settings: Active Display [2/2]

PS2:
Add pocket mode option, available if the device has
a proximity sensor.

PS3:
Add option to include ongoing and non-clearable notifications.

PS4:
Allow brightness control from 0% to 100%

PS5:
Refactor for release

PAC-man's PS3:
Added Prefrence to Tablet View's xml

Change-Id: Iae55640a31df68542c2af5d95097811b8fb1f66f
Active display: Add options for date and am/pm [2/2]

Change-Id: I6af47b2fd47e77398eee98cc6e30b8fcf1a44d45
Active display: Add sunlight mode. [2/2]

Change-Id: I513c2ef1555ca48dfb553f80ca687d1ca9f27c55
Merge branch 'cm-10.2' of https://github.com/krislibaeer/android_packages_apps_Settings-1 into cm-10.2