Merge "Disable splash screen for launches from widget." into sc-dev am: 97aaa6e5ae am: 2d08ce736b

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

Change-Id: I38e187f55f2b093fbf90897716ebdfdb397fcf1d