Add AccountManager key rotation awareness.

Replace checkSignatures() calls in AccountManager with a new,
rotation-aware call to PackageManagerInternal.  Also add a new
AUTH cert capability to reflect the distinction between these
permissions and others.

Bug: 77651077
Test: Builds. CtsAccountManagerTestCases
Change-Id: Idd412cd984acf7d37555deb5879f2d6a0a10c2b6
4 files changed