[automerger skipped] Merge "Don't attach private Notification to A11yEvent...

[automerger skipped] Merge "Don't attach private Notification to A11yEvent when user locked" into qt-dev am: 97626673 -s ours am: f39c2687 -s ours am: 5352a08a -s ours am: 5a6ceba0 -s ours

am skip reason: skipped by user steell

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15080911

Change-Id: I37b480f09f17e8bb4bf6e51a4850b6254860610f