Merge "[permissions-ui] use new API for the unused apps footer link" into sc-dev am: 7cb1442c4b am: 9bfa1b19c2 am: 5433bcdc58

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Permission/+/14926445

Change-Id: I64ccb532de3b8b03d5d1b82ddb5164dad79a43e0