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)

Signed-off-by: MURA Stefano [STELIX PippoX3] <ssspinni@gmail.com>

Change-Id: I5f4bb146e240bf31b6486aeff85b0828ee6fbb09