QS prototype work

 - All work is defaulted to off, with no changes to UI
 - Add 'quick' QS tiles, which have circles around them and no text,
   they just toggle things like wifi
 - Add tuner switch to hide brightness from QS panel
 - Add paginated QS layout, it shows a row of the circle tiles across
   the top, followed by 3 rows of normal tiles, following pages
   have 4 rows, dual tiles are not allowed in this mode
 - Add tuner switch to turn on paging for QS, and set to a set of tiles
   that look ok with it

Change-Id: Ia2d2eb36f8953033ce4810cd3628fcb86315fe46