Sets the specified version of the specified policy as the policy'sdefault (operative) version.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/iot/set-default-policy-version.html
| aws iot set-default-policy-version --policy-name fruit-policy --policy-version-id 3 |
| AWS IoT 調査 (途中) : http://qiita.com/propella/items/da6b10f82c84be7e6996 |