MAGETWO-70010: Make page title in layout files translatable #9992

Author: Oleksii Korshenko

lib/internal/Magento/Framework/View/Page/Config/Reader/Head.php

@@ -86,7 +86,7 @@ public function interpret(
                     break;
 
                 case self::HEAD_TITLE:
-                    $pageConfigStructure->setTitle($node);
+                    $pageConfigStructure->setTitle(new \Magento\Framework\Phrase($node));
                     break;
 
                 case self::HEAD_META: