Merge "Add taskbar icons unfold animation" into sc-v2-dev am: 6b53e3101e am: 4ba84e5343

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15685200

Change-Id: I3b9b38342884e5623c320496496717f5510f3ae0