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

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

Change-Id: I04d36b9a54ef8c856e704949237c3615836f4fa0