Merge "Use icon splash screen when starting activity from widget interaction" into sc-dev am: 9dd0351ed1 am: 32f7517f19 am: 15058d36ff

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15062776

Change-Id: I3f9d068622ce7cc35645128ad9cf7e51c1efae0a