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 am: 293e3d31

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

Change-Id: I04e8a9992dff2f038f568ec530edaa11cab1ad9e