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: 1368e8a5 am: 38c1a791 am: 61504daf

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



Change-Id: I583e03cff8994e65057fbdfcaff1249692cceaa6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>