[1/2] Base: implement App circle sidebar

add whitelist app to include into circle view
rebased
make standalone patch

PS.15 : rebased
PS.16 : cleanup

Change-Id: I08d2a3a7e0f8df20e801e585d4cac8547a740a3e

Conflicts:
	packages/SystemUI/res/values/ag_strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java