Merge "Properly handle onNullBinding() in appwidget service." into sc-dev am:...

Merge "Properly handle onNullBinding() in appwidget service." into sc-dev am: 30f9963e am: 90553857 am: 95ebd317 am: 3cbbff62 am: 3f713e0e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/29073151



Change-Id: I8786b9b81bbbcf80d791f966215743b3dd3e45d2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>