SystemUI: Extra Slim Shortcuts && Cleanup

Some cleanup of slim shortcuts
	& implement method to allow
	user to toggle toggleable
	settings to the preferred state.
	Much easier to use with confidence
	knowing you'll be in the correct state.

Change-Id: I897ee4567426d0314952b9860a487ab445795dfc
Framework: Get Shortcut Name (1/2)

Chamber of Secrets:
	Allow user to set intent name.
	This allows the intent to show up,
	for example, in custom tiles with
	a name that makes sense to the user.

AppHelper:
	Add shortcut preferred to returns

CustomTile:
	Use shortcut preferred

Change-Id: I96ef4b22b3d340056248b8215ea2a4f04e1015e4