Adding flag com.android.art.flags.test to RELEASE_CONFIG_TRUNKFOOD_STAGING. This commit was automatically created by advancing a workflow in Gantry. Manual edits to this file are forbidden. If you need to rollback, please visit https://releasetracker.partner.android.com/changes/cvnt78i000001?build_unique_id=android_platform_art_mainline to begin a rollback. POSTSUBMIT ERRORS: If this change breaks postsubmits, please revert it and attach the associated bugs to the reverted CL's description. Flag: com.android.art.flags.test Ignore-AOSP-First: AConfig change for future AOSP release Bug: 352723620 Change-Id: I2f6ebd4c21d93ed1efb1b05f678879225fd87294