Merge "Do not send AccessibilityEvent if notification is for different user." into rvc-dev am: f914ec1768

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19608552

Change-Id: I5c4c7fb48f58441c5cba498916ffb83191599141
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>