Merge "Add device policy manager namespace to public namespaces" into tm-dev...

Merge "Add device policy manager namespace to public namespaces" into tm-dev am: 8293974f am: c783dba6 am: d3fb133b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18344246



Change-Id: I1a4aa18f106798058c2ac6b838c2bcbaef003198
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>