Merge "Cancel existing preview item animation during non-animated update." into sc-dev am: 81501a563c am: b018ea34fe

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

Change-Id: I87c9e1863a9bd7097b419bdeedbddc3c3b8beb04