Merge "Deferred widget update" into tm-qpr-dev am: 3f07d154 am: 8df8b194

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21405131



Change-Id: Iffa89c1e592b75c0e563192298bb5dc0e0ddb176
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>