Add support for CTS to ART run-tests running with TradeFed. am: 0d306c40f9 am: 442620fc00

Original change: https://googleplex-android-review.googlesource.com/c/platform/art/+/18469023

Change-Id: I06969470f430f4a364ecba1e537b81d354cb4cb6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>