Orchestration tests fail to start on mongodb latest

Example failure: https://evergreen.mongodb.com/task/mongo_tools_ubuntu1404_qa_tests_unstable_c7c80331e831527c80bdd086f2a8d41fdde9e034_18_08_16_17_43_51

In some of the test output, there is reference to the server no longer supporting the nopreallocj argument.