Merge "Support live tile for 3rd party launchers" into sc-dev am: 7645422e37 am: 20caf8147a am: eab57b1e53

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

Change-Id: Idd0c206720c24bd9afc59690e0de7e51765c6374