Constructs a new EntityListController object.
string $entity_type.: The type of entity to be listed.
Drupal\Core\Entity\EntityStorageControllerInterface $storage.: The entity storage controller class.
public function __construct($entity_type, EntityStorageControllerInterface $storage) {
$this->entityType = $entity_type;
$this->storage = $storage;
$this->entityInfo = entity_get_info($this->entityType);
}