Hooray! I found solution! Thanks for trevorengstrom in Doctrine automatically create all the database tables answer. The solution is:
$doctrine = $this->getDoctrine();
/** @var ObjectManager|EntityManagerInterface $manager */
$manager = $doctrine->getManager();
/** @var ClassMetadata $metadata */
$metadata = $manager->getClassMetadata($class);
$metadata->setPrimaryTable(array('name' => $metadata->getTableName() . $project));
$schemaTool = new SchemaTool($manager);
$schemaTool->createSchema(array($metadata));
where $class = 'DemoBundle:UserData'
and $project = 'abcdef123456...';