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/anim/AnimatorPlaybackController.java

@@ -335,7 +335,6 @@ public class AnimatorPlaybackController implements ValueAnimator.AnimatorUpdateL
 
         @Override
         public void onAnimationStart(Animator animation) {
-            super.onAnimationStart(animation);
             mCancelled = false;
             mDispatched = false;
         }