Add support for job_role_arn in the demand execution lambda functions#30

rpmcginty merged 3 commits intomainAllenInstitute/aibs-informatics-aws-lambda:mainfrom

feature/DT-8749-add-support-for-job-def-roleAllenInstitute/aibs-informatics-aws-lambda:feature/DT-8749-add-support-for-job-def-roleCopy head branch name to clipboard