[automerger skipped] Revert "Disable AOSP prebuilt APEX for ART." am: 45984f160a -s ours am: 938453f84a -s ours

am skip reason: Merged-In If28e89153e5fa5bd17c0f2c1415cd17897e6443c with SHA-1 141d4ce2c0 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/ArtPrebuilt/+/15155298

Change-Id: If00e2ae96c981688aabd5034f30ba37c9597db0f