Merge "Set blur on effect layer during app launch" into sc-dev am: ee4d67c52d am: e192b71d5b

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

Change-Id: Ia92f19d2447d891d20665ab5200451bc7c02e98e