Merge "Disable splash screen for launches from widget." into sc-dev am: 97aaa6e5ae am: 84ec20af98

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15685202

Change-Id: I55188b46f4dceb6d74b0f6dd03fbeb2e8d0dff33