QuickSettings: Immersive: Collapse panels on click

Most of the time users will want to enable immersive mode and go right back to the app.  This simplifies this process by closing
the quicksettings panel after immersive is activated or deactivated.

Change-Id: I7bb154941405e8efb568cf5c3cce92e963539ff8
Signed-off-by: Evan Anderson <evan1124@gmail.com>