Merge "Support live tile for 3rd party launchers" into sc-dev am: 7645422e37 am: 20caf8147a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14409355

Change-Id: I942b8197fb679c927a2313b60fd7c94a6c4fa3a3