Merge "Disable splash screen for launches from widget." into sc-dev am: 97aaa6e5ae am: cb1f40df02

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

Change-Id: I455e26014b910ca5a7775ed46c9a88b1ec3f3e7a