Mark caliper-tests as not unit tests am: c584a577cd am: d5dbd458d3 am: 34343aad43 am: 3b3acc5c24

Original change: https://android-review.googlesource.com/c/platform/external/caliper/+/1605593

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I276bdc51f29a872980e277cf7797cd1a4ca57db5