[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: 2603b550 -s ours am: 3b8d0035 -s ours

am skip reason: skipped by user steell

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

Change-Id: I5d7c0d2cbb26e8e5c3e2fd93fed08270221ede9c