Fixing animation behavior on UMO snapback

If user tries to swipe While the snapback animation is going back, we
need to cancel the ongoing animation.

Bug: 247810047
Test: Checked the snapback animation and the translation of the
UMO while swiping and releasing the UMO to go back.

Change-Id: I0d6a70a04aeda29338c28ba37b11450aedc06dec