Merge "Support live tile for 3rd party launchers" into sc-dev am: 7645422e37 am: 1cd78c3317

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

Change-Id: I0c2e5fdf72fd85f493a41db71f0e5182d1aca215