Issue when creating `AwsCustomResource`

Hi, I’m getting an error when creating the AwsCustomResource.

Reproduction Steps

cr.AwsCustomResource(self, 'Cloud9IAMMembership',
            resource_type='Custom::Cloud9IAMMembership', policy=cr.AwsCustomResourcePolicy.from_sdk_calls(resources=cr.AwsCustomResourcePolicy.ANY_RESOURCE)
            on_create=cr.AwsSdkCall(
                action='CreateEnvironmentMembership', 
                service='cloud9', 
                parameters={   
                    "environmentId": cloud9_instance.environment_id,
                    "permissions": "read-write",
                    "userArn": user.user_arn
                },
                physical_resource_id=cr.PhysicalResourceId.from_response("environmentId")
            ),
 )

Error Log

The error is Failed to create resource. AWS[call.service] is not a constructor:

Environment

• CLI Version : 1.3.1
• Framework Version: ``
• OS : MacOS
• Language : Python

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This is 🐛 Bug Report

[touzoku]

Maybe at least some more meaningful error?

[jogold]

It should be Cloud9 and createEnvironmentMembership see https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/Cloud9.html

The underlying custom resource is using the AWS SDK for JavaScript.