Modifies the permissions for your VPC endpoint service .Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/ec2/modify-vpc-endpoint-service-permissions.html
| aws ec2 modify-vpc-endpoint-service-permissions --service-id vpce-svc-03d5ebb7d9579a2b3 --add-allowed-principals '["arn:aws:iam::123456789012:root"]' |
| modify-vpc-peering-connection-options — AWS CLI 1.16.6 Command Reference : http://docs.aws.amazon.com/cli/latest/reference/ec2/modify-vpc-endpoint-service-permissions.html |