Revert "Fix bug where double swipe gets us stuck in Hint state while in Overview."

This reverts commit a8c08584a7.

Reason for revert: "caused a regression with quick switch from home: if you start the gesture then swipe back to the left, it ends up launching the task anyway"

Change-Id: I8e12e2de46b6fc6a3faeb0336762da08080c61d6

src/com/android/launcher3/statemanager/StateManager.java

@@ -315,7 +315,6 @@ public class StateManager<STATE_TYPE extends BaseState<STATE_TYPE>> {
 
             @Override
             public void onAnimationStart(Animator animation) {
-                super.onAnimationStart(animation);
                 // Change the internal state only when the transition actually starts
                 onStateTransitionStart(state);
             }