update definition layer markup to expect google tag manager data attr
update definition layer markup to expect google tag manager data attr

willbarton/regulations-site,grapesmoker/regulations-site,ascott1/regulations-site,grapesmoker/regulations-site,willbarton/regulations-site,ascott1/regulations-site,grapesmoker/regulations-site,ascott1/regulations-site,willbarton/regulations-site,grapesmoker/regulations-site,willbarton/regulations-site,ascott1/regulations-site