Merge "Fade overview actions on transition to Home." into sc-dev am: 8a50f93f91 am: e7cb362630 am: d217c914ea

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

Change-Id: Iaa753ddb4b63c6cc1c180e4dffb496c74d043ccd