Merge "Create return-to-home app widget animation" into sc-dev am: 92af1bfe5b am: 36252b525d

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

Change-Id: I30969df3f8099d6f26b858516cacc20bc7aecc9e