[Auto Pin Confirmation]: Add talkback capability for Auto-confirm correct PIN checkbox even if it is not in focus am: 01637b556e am: 812ca56cfc am: 9502bd9690

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/23601571

Change-Id: I8c9c4a7983a167b13a98e61e7a22b129cf3656a7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>