Merge "Properly handle onNullBinding() in appwidget service." into sc-dev am: 30f9963e89 am: 9055385749 am: 95ebd3170a am: 3cbbff62e5 am: 3f713e0eaf am: c3786bf107 am: e041fe1c59

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

Change-Id: Ie5a1ed9dfca2e3f7e1c91ca75885f60bc7b94d6e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>