Merge "Cancel existing preview item animation during non-animated update." into sc-dev am: 81501a563c am: a47a2017e4 am: b1ceab102e

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

Change-Id: I0d1e98ae6f4b4f4fee8fed6582fb465493ec2d0f