Merge "Allowlist test namespace." into udc-dev am: 60d9f4a9d2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22462380

Change-Id: I95c29b6b8bc96d77b3d77a155383e0d45d3ae2b2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>