New Relic: [NR Infrastructure] Bypass of #200576 through GraphQL query abuse - allows restricted user access to root account license key

@jonbottarini discovered an issue with our GraphQL implementation. This allowed a user without the proper authorization access to privileged account information on the same account. The writeup for this issue can read here: https://labs.detectify.com/2018/03/14/graphql-abuse/...