QS: add theme switcher tile (TRDS) 2/2

this adds a theme switcher tile

normal click: turn on/off dark/light theme
longpress: switch between the auto modes (manual/light sensor/twilight)

Change-Id: I5f4bb146e240bf31b6486aeff85b0828ee6fbb09
settings: fix quickpulldown summary and clean up code

on default value it showed left summary and code is to complicated

Change-Id: I0c3b2dbe3213beea707bdda2f2453c4f9c75dcae