Merge "Add a new utility class wifi_hidl_test_utils_1_6 for the Wifi VTS tests." into udc-dev am: 5df702513f am: ba4f44ac39 am: 1ef00d9cbc am: 94d1a578a0

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

Change-Id: Ibe55b1456c5f256b6600fd34a8ee513a40ed4fde
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>