Merge "Remove blur from launcher when in overview" into sc-dev am: 997ac6cddc am: 6ae358e5e6 am: 6a9bad015c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14829892

Change-Id: I8e69b83b806a80ad2e902adbbf6d58e224d27699