Don't animate when moving task to stack if not requested

resumeTopActivitiesLocked played an activity transition because
the top activity of the stack changed. We don't want this in
case animate=false in moveToStackLocked, so add it to the
mNoAnimActivities array so it suppresses the animation.

Change-Id: Ife15ca529da916b6bc97e2b3bd1e3c3e3009373b