Merge "Fix folder preview animation when adding or removing icons." into tm-qpr-dev am: 34958f4b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18568370



Change-Id: I189846b43af30c3c5166f4495e3184695daa96e2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>