Merge "Set blur on effect layer during app launch" into sc-dev am: ee4d67c52d am: c53c5d8599 am: ffeb037edd

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

Change-Id: I272d9e850708034a58cd16e10de05ceb0428c480