Issue #2208115 by Xano, damiankloip, Crell: Add DependencySerializationTrait.

core/lib/Drupal/Core/Config/ConfigBase.php

core/lib/Drupal/Core/Config/ConfigImporter.php

core/lib/Drupal/Core/Config/StorageComparer.php

core/lib/Drupal/Core/Controller/FormController.php

...Core/DependencyInjection/DependencySerializationTrait.php

core/lib/Drupal/Core/Entity/Entity.php

core/lib/Drupal/Core/Entity/EntityControllerBase.php

core/lib/Drupal/Core/Form/FormBase.php

core/lib/Drupal/Core/Language/LanguageManager.php

core/lib/Drupal/Core/Plugin/ContextAwarePluginBase.php

core/lib/Drupal/Core/Plugin/PluginBase.php

core/lib/Drupal/Core/Url.php

core/modules/forum/src/ForumManager.php

core/modules/views/src/Form/ViewsForm.php

core/modules/views/src/ViewExecutable.php

.../Core/DependencyInjection/DependencySerializationTest.php