Merge "Fade overview actions on transition to Home." into sc-dev am: 8a50f93f91 am: 283534d589 am: f7958c0ebd

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14356554

Change-Id: If64f6e7d5c9b62fc3773338e5b343cf23c232e5c