ConfigImporter needs config.typed service

The ConfigImporter has new dependencies.Lets add the config.typed service.

[Drupal.org Issue #2130811: Use config schema in saving and validating configuration form to ensure data is consistent and correct](http://drupal.org/node/2130811), Commit [141cb6f3](http://drupalcode.org/project/drupal.git/commitdiff/141cb6f304b1ab2087c75154e8d67057b8cd03bb)