Merge "Create return-to-home app widget animation" into sc-dev am: 92af1bfe5b am: 86bbb17931

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14332408

Change-Id: I4dd70848eebfa4ee4e7292c9d59af21dc396199a