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

Conflicts:
	packages/SystemUI/res/values/slim_strings.xml