KeyMint VTS: abandon tests when Begin fails am: 7fc26b99d3 am: 1eacf174b9

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2106464

Change-Id: I9383f156e0071a204ef7156dd40010b4ff39722a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>