Previously left was considered positive and right considered negative.
Now left and down are negative, and right and up are positive.
For RTL, left is positive and right is negative.
Change-Id: Ia31e8c687c8c2716fc632b2fe88aa8955b934bce
> Refactoring SwipeDetector to both allow vertical and horizontal swipes
> Using SwipeDetector and common overscroll effect for notification swipes
instead of a separate logic
Change-Id: Ib706ee179811ade59ddb68184e1c202365d147c4