Merge "Add a new test to verify delivery group policy." into udc-dev am: 015186f2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22317132



Change-Id: If9c04cb912e2899213a49d37d87c839ca6b09667
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>