Merge "add enforcement on getOwnSelfManagedPhoneAccounts" into tm-dev am: 1dc39794 am: 914c7801

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/18501687



Change-Id: Ibb7fdb82742ad11a5d1687c9632e3ebc7c433ee6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>