Don't consume messages in tcs if statsengine is empty
Don't consume messages in tcs if statsengine is empty

kiranmeduri/amazon-ecs-agent,aws/amazon-ecs-agent,swipely/amazon-ecs-agent,aws/amazon-ecs-agent,swipely/amazon-ecs-agent,aws/amazon-ecs-agent,jaimeguzman/amazon-ecs-agent,aws/amazon-ecs-agent,swipely/amazon-ecs-agent,jaimeguzman/amazon-ecs-agent,swipely/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent