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: 0a666773 am: fb52ee3e

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

Change-Id: Ic63cd51c634b87e6f1bb5a53602b5e0a5bf7c422