Issue #2219661 by damiankloip: Rename ViewExecutable::viewsHandlerTypes to getHandlerTypes.

core/modules/views/lib/Drupal/views/Entity/View.php

...les/views/lib/Drupal/views/Plugin/ViewsHandlerManager.php

...dules/views/lib/Drupal/views/Plugin/views/HandlerBase.php

...b/Drupal/views/Plugin/views/display/DisplayPluginBase.php

...s/views/lib/Drupal/views/Tests/Handler/HandlerAllTest.php

...ules/views/lib/Drupal/views/Tests/Handler/HandlerTest.php

...dules/views/lib/Drupal/views/Tests/ViewExecutableTest.php

core/modules/views/lib/Drupal/views/ViewExecutable.php

...s_ui/lib/Drupal/views_ui/Controller/ViewsUIController.php

...les/views_ui/lib/Drupal/views_ui/Form/Ajax/AddHandler.php

.../views_ui/lib/Drupal/views_ui/Form/Ajax/ConfigHandler.php

...s_ui/lib/Drupal/views_ui/Form/Ajax/ConfigHandlerExtra.php

...s_ui/lib/Drupal/views_ui/Form/Ajax/ConfigHandlerGroup.php

...ules/views_ui/lib/Drupal/views_ui/Form/Ajax/Rearrange.php

...iews_ui/lib/Drupal/views_ui/Form/Ajax/RearrangeFilter.php

...odules/views_ui/lib/Drupal/views_ui/Tests/HandlerTest.php

...s/views_ui/lib/Drupal/views_ui/ViewEditFormController.php

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

core/modules/views_ui/views_ui.module