Add test to verify "device not registered" RKP behavior am: b476b7a6e2

Original change: https://android-review.googlesource.com/c/platform/packages/apps/RemoteProvisioner/+/2070154

Change-Id: I9771a37c62bca0710c959335dc7c6df95bf93f43
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>