Merge "Add OWNERS for credentials tests" am: 4c3eb0011b am: 5e2f60f6b8

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2419106

Change-Id: I36c5c826461024a26ce46bc273ebaa8095f43d0f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>