NCI-Agency/anet#3414: Generate GraphQL test client from anet.graphql
NCI-Agency/anet#3414: Generate GraphQL test client from anet.graphql

Use com.graphql_java_generator.graphql-gradle-plugin to generate GraphQL test client.

NCI-Agency/anet,NCI-Agency/anet,NCI-Agency/anet,NCI-Agency/anet,NCI-Agency/anet