Issue #1765984 by tim.plunkett: Unify and simplify the creation of a plugin instance.

includes/admin.inc

includes/handlers.inc

lib/Drupal/views/Plugin/Type/ViewsPluginManager.php

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

lib/Drupal/views/Plugin/views/PluginBase.php

lib/Drupal/views/Plugin/views/area/Broken.php

lib/Drupal/views/Plugin/views/argument/Broken.php

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

lib/Drupal/views/Plugin/views/field/Broken.php

lib/Drupal/views/Plugin/views/filter/Broken.php

lib/Drupal/views/Plugin/views/query/Sql.php

lib/Drupal/views/Plugin/views/relationship/Broken.php

lib/Drupal/views/Plugin/views/relationship/GroupwiseMax.php

...iews/Plugin/views/relationship/RelationshipPluginBase.php

lib/Drupal/views/Plugin/views/sort/Broken.php

lib/Drupal/views/Plugin/views/sort/MenuHierarchy.php

lib/Drupal/views/Plugin/views/wizard/WizardInterface.php

lib/Drupal/views/Plugin/views/wizard/WizardPluginBase.php

lib/Drupal/views/Tests/UpgradeTestCase.php

lib/Drupal/views/View.php