Gesture Anywhere: Adjust position on orientation change.

Also added hiding home, recent and search from navbar when
showing the GestureAnywhere view.

Change-Id: I1dd13f38af265d6966441f2cd99b78ea9b3d4d90
Gesture anywhere: Collapse if expanded when screen turns off.

Change-Id: I85c749182dab9e478d7337b3556c362eaa7dd74d