SystemUI: smoother tile transitions when moving to 1st row

When moving a tile to the first row, make sure not to do any extra work
unless we actually changed dual states. Also no need to re-calculate the
state.

Animate all the things together.

Ref: CYNGNOS-1644

Change-Id: Id462838633c22c67607d5bd94d0e0faee8ea3464
Signed-off-by: Roman Birg <roman@cyngn.com>