elasticloadbalancing: convert AppCookieStickinessPolicy to NewEmbeddedProperty.
elasticloadbalancing: convert AccessLoggingPolicy to NewEmbeddedProperty.
rds: convert SecurityGroupRule to NewEmbeddedProperty.
dynamodb: convert serveral resources to NewEmbeddedProperty.
elasticloadbalancing: convert HealthCheck to NewEmbeddedProperty.
elasticbeanstalk: convert Tier to NewEmbeddedProperty.
elasticbeanstalk: convert SourceBundle to NewEmbeddedProperty.