Bringing basic Pie controls. (2/2)

This is the settings part of the pie commit, for the real implementation
look in frameworks/base.

Patch Set 3:
* Better Code Style

Patch Set 4:
* Strings cleanup
* Better integration into system settings UX
* Some related cleanup in SysteSettings.java

Patch Set 5 and 6:
* Rename feature to Quick controls to match AOSP terminology

Patch Set 7:
* Remove WIP

Patch Set 8:
* Revert name to Pie controls

Change-Id: I47599316273d8e46017f49ba62a02cc55a785678

Conflicts:
	res/values/strings.xml
	src/com/android/settings/cyanogenmod/SystemSettings.java

Signed-off-by: Paul Beeler <sparksco@gmail.com>