Merge "Added KEY_VONR_ENABLED_BOOL to obtain VoNR availability status" into sc-v2-dev am: 7f809bda12

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/16259269

Change-Id: I1de09d91f66438c4ac521ac7624eae41e9b54b34