Changes to List document templates with fields

added the new CHROMEOS enum value to the items/fields/items/fieldContent/advancedSettings/nodeClass/items response property for the response status 200

added the new HEALTH_STATUS enum value to the items/fields/items/fieldType response property for the response status 200

added the optional property items/fields/items/fieldContent/advancedSettings/healthStatus to the response with the 200 status

added the optional property items/fields/items/fieldContent/advancedSettings/maxWysiwygHtmlCharacters to the response with the 200 status

added the new AOSP enum value to the items/fields/items/fieldContent/advancedSettings/nodeClass/items response property for the response status 200

added the new ROLE_BASED enum value to the items/fields/items/fieldTechnicianPermission response property for the response status 200