Merge credential manager providers by package name

As part of the spec'd design we should merge providers
by package name this means that if there are multiple
providers they will be all turned on/off together.

Bug: 266772233
Test: make & atest
Change-Id: If7eec7d9a79a97ac3ec4f55b7cbcfaf7748d5750
Merged-In: Id48f27e96cabdd8ab0e8cbafc8eb760b7bbbf928