Merge "Add a new utility class wifi_hidl_test_utils_1_6 for the Wifi VTS tests." into udc-dev am: 5df702513f am: 96003ab7f3 am: 46a7c220a8 am: 4f5b086722

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/23571908

Change-Id: Ied901d9e3e933d6bf527a68e2830219c5995be6a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>