Merge "Ensure a11y long click works on notif guts." into rvc-dev am:...

Merge "Ensure a11y long click works on notif guts." into rvc-dev am: 088de38a am: 0bf97658 am: 02f0a638

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11682753

Change-Id: I4ac93f10e2a6dfa7353be21be86e8cc0cebedde6