Quicksettings: Immersive: Fix collapse panel animation.

Right now it collapse after the ui goes into immersive mode so the collapse animation is not showed.
First collapse the panel then go into immersive mode so we see the animation.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

Change-Id: Icf2925fa517fc077929e02d1f96a8cd51163b809
Merge "Quicksettings: Immersive: Fix collapse panel animation." into kitkat