Issue #1913856 by tim.plunkett: Convert Views UI forms to use FormInterface.

...ules/views/lib/Drupal/views/Tests/UI/CachedDataUITest.php

core/modules/views/views_ui/admin.inc

...iews_ui/lib/Drupal/views_ui/Form/AdvancedSettingsForm.php

...s/views_ui/lib/Drupal/views_ui/Form/BasicSettingsForm.php

...views/views_ui/lib/Drupal/views_ui/Form/BreakLockForm.php

...es/views/views_ui/lib/Drupal/views_ui/Form/DeleteForm.php

...ws/views_ui/lib/Drupal/views_ui/Form/SettingsFormBase.php

...ui/lib/Drupal/views_ui/ParamConverter/ViewUIConverter.php

...iews_ui/lib/Drupal/views_ui/Routing/ViewsUIController.php

...iews_ui/lib/Drupal/views_ui/ViewPreviewFormController.php

core/modules/views/views_ui/lib/Drupal/views_ui/ViewUI.php

...ules/views/views_ui/lib/Drupal/views_ui/ViewsUiBundle.php

core/modules/views/views_ui/views_ui.module

core/modules/views/views_ui/views_ui.routing.yml