Installs amazon-efs-utils package on AMIs in arcgis-server-linux-aws-image and arcgis-enterprise-base-linux-aws-image workflows.
Changes arcgis-server-linux-aws-infrastructure workflow to use new arcgis.common.efs_mount Ansible playbook instead of an SSM document. (That also removes dependency of arcgis-server-linux template on Chef-specific infrastructure created by site-automation-chef-aws workflow. see #94).
Renames SSM document "nfs-mount-" to "efs-mount-", changes input parameter FileSystemDNS to FileSystemId, makes the SSM document use "efs" mount type supported by amazon-efs-utils package, adds the EFS mounts to /etc/fstab file.
Changes arcgis-enterprise-base-linux-aws-infrastructure workflow to use new "efs-mount-*" SSM document.
This PR: