Merge "Add NEW_TASK flag to Quickstep App Widget activity start" into sc-dev am: 4d5c733411 am: 1d7d895a27

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14425541

Change-Id: If00323d35227a1a116188075ccf4318c322bb87f