add schedd cron config for gratia probe (SOFTWARE-3841)
add schedd cron config for gratia probe (SOFTWARE-3841)

matyasselmeci/htcondor-ce,matyasselmeci/htcondor-ce,opensciencegrid/htcondor-ce,brianhlin/htcondor-ce,opensciencegrid/htcondor-ce,brianhlin/htcondor-ce,opensciencegrid/htcondor-ce,matyasselmeci/htcondor-ce,brianhlin/htcondor-ce