Merge "Do not send AccessibilityEvent if notification is for different user." into rvc-dev am: f914ec1768 am: d000f2dbec am: 47f7686223 am: 9a8703766d am: 6eb48ea8cc

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

Change-Id: I4f0e1ae9360983b4e89f041ffb578cc10000df58
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>