Settings: add Personalization category and status bar brightness setting

Change-Id: I6e0343f5d1e1ec924f6393cb3eb94ee67f179aa6
Signed-off-by: Roman Birg <roman@cyngn.com>

Patchset: 3
http://review.cyanogenmod.org/#/c/78613/
Settings: Network traffic indicator
Development Settings: fix setting reset on disable

When Development Settings are disabled, some settings are
reset to values other than the default. This fixes it.

 - Adb notify should reset to enabled

 - Verify apps over usb should reset to enabled

Change-Id: Ifa1ee25cfab32b7a236e02055006f0d2a4b07f37

Patchset: 4
http://review.cyanogenmod.org/#/c/78838/
PREVIEW 3