[Auto Pin Confirmation]: Add talkback capability for Auto-confirm correct PIN...

[Auto Pin Confirmation]: Add talkback capability for Auto-confirm correct PIN checkbox even if it is not in focus am: 01637b55 am: 812ca56c am: 9502bd96 am: 50f8a0c5

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



Change-Id: Iba4a6691c0165f12c7c593f3f5f9708c6014c34a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>