Add ids to credential entries

Credential entries need to be associated with the incoming
BeginGetCredentialOption. This is needed so that the right option can be
added to the pending intent for the final phase.

Test: built locally

Bug: 268140391
API-Coverage-Bug: 247549381

Change-Id: Id2e078e2cd6dc6800fbe00032b0afe1d9b02853e