Merge "Cancel existing preview item animation during non-animated update." into sc-dev am: 81501a563c am: a47a2017e4

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15164771

Change-Id: Icb78fe5b9b24f8a7753cb56ab9d9d0ab456e3448