Compile `ArtServiceTests` for both architectures (where applicable).

This is to allow this test to also run on 32-bit devices.

Test: Run `v2/android-virtual-infra/test_mapping/presubmit-avd` against
      `cf_x86_tv-userdebug`
Bug: 259113805
Ignore-AOSP-First: ART Services
Change-Id: Icf765e08d6cb947791d137e817c66a6ef651f49f