Merge "CDD: Make Test Harness Mode a MUST" into rvc-dev am: d3ee1f8cf6 am: 31c2a13e31

Original change: https://googleplex-android-review.googlesource.com/c/platform/compatibility/cdd/+/11385218

Change-Id: If02da34aa60018d9951e7184fe7c8d2910545806