Merge "Disable splash screen for launches from widget." into sc-dev am: 97aaa6e5ae am: 84ec20af98 am: 55dbe80ea3 am: 2c6fceccb7

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

Change-Id: I845e6da2c2ba8c0b2374abd8d0d8dc34db970b20