frameworks: Smooth background gradient

Credit to UBER for the images

Change-Id: I3655e9917610348100fa6cb5cede66a63ca82538
derp can't have webaddress here

Change-Id: I6a158757f08445f51a893c513724e1332dc3434d
Toggles: fix silent off label

Change-Id: Id811af6599ca8466ba3af0dd555a4856863ef7fb
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>
Merge "frameworks: Smooth background gradient" into jb-mr1
Merge remote-tracking branch 'aokp/jb-mr1' into jb-mr1