Fix volume dialog animation direction

By default the volume dialog opens on the right side, so the slide-in
and slide-out animation goes to the right. Because FP3 has the volume
buttons on the left side we moved the volume panel to the left but the
animation wasn't adjusted so the slide-in came from the middle of the
screen and not the side. Fix this.

Fixes: 6a8e23d9b8d0 ("Move volume control to left side of screen")
Change-Id: I34cfb3553affa731833319de8ac7459b1af92ec5
1 file changed