Merge "Set blur on effect layer during app launch" into sc-dev am: ee4d67c52d am: c53c5d8599

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14750658

Change-Id: Idfcc50b35cb5d612769dad9207a8f280b4ea6988