Merge "Make frameworks classes final for credential manager" into udc-dev am: 78fe4c3e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22101274



Change-Id: Ia7e6e066189e4d73bd71491b6d5a78ae76c1f159
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>