QuickSettings: enable theming of user label

Change-Id: I2c5a7693516c890077e5f4f8050a6196bdcbf3f5
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>
Merge "QuickSettings: enable theming of user label" into jb-mr1
Merge remote-tracking branch 'upstream/jb-mr1' into jb-mr1