Merge "Use icon splash screen when starting activity from widget interaction" into sc-dev am: 9dd0351ed1 am: e92f4af554

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

Change-Id: I8b1eba0032a2427387e6a3fac89ec150e2e9cb35