Merge "[a11y]Talkback shouldn’t say Double tap to activate on panel if there...

Merge "[a11y]Talkback shouldn’t say Double tap to activate on panel if there isn't any feature after double tap." into sc-dev am: 78220278

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13671407

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I6aa2a5f787afe22bd6938a354b152c02df725cad