Merge "Add API to get enforcing admins for policies" into udc-qpr-dev am: 70c488a63b am: cb6cf47cd2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24469647

Change-Id: I76b378438ed4e3137aa471dd638874c6ddd9a00a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>