[automerger skipped] Uncouple ART gtests from the ART APEX. am: 7b1547d9d7 -s ours

am skip reason: Merged-In I8beda9159d48c4ca495698357dc3bd95e3ff84d5 with SHA-1 f040914a12 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/art/+/15241578

Change-Id: Id5b0f093ca5e77be8dfe5ccdd91f36759a3e3291