Quicksettings: add favorite contact tile (1/2)

PS2: disable contact picker if toggle is disabled
PS3: remove contact picker if toggle is not available (shouldn't be the case, but who knows)
PS4: yes, yes, these damn whitespaces

Change-Id: If091b91fc5b94079bcb2c6342f3db4b9bd334429
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>

Conflicts:
	res/values/arrays.xml
	res/values/strings.xml
	src/com/android/settings/demented/StatusBarToggles.java