Updates a core definition.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/greengrass/update-core-definition.html
| aws greengrass update-core-definition \ |
| UpdateCoreDefinition - AWS Greengrass : http://docs.aws.amazon.com/greengrass/latest/apireference/-greengrass-definition-cores-coredefinitionid.html |