MAGETWO-92010: Jenkins - Static Test Failures

- Tag GoogleMapsApiBlock as @api
- Fix reference to JSON result and too long line in ValidateApi

Author: tjwiebell

app/code/Magento/PageBuilder/Block/GoogleMapsApiBlock.php

@@ -7,6 +7,9 @@
 
 namespace Magento\PageBuilder\Block;
 
+/**
+ * @api
+ */
 class GoogleMapsApiBlock extends \Magento\Framework\View\Element\Template
 {
     const GOOGLE_MAPS_API_KEY_PATH = 'cms/pagebuilder/google_maps_api_key';

app/code/Magento/PageBuilder/Controller/Adminhtml/GoogleMaps/ValidateApi.php

@@ -35,11 +35,12 @@ public function __construct(
     /**
      * Send test request to Google Maps and return response
      *
-     * @return Json
+     * @return \Magento\Framework\Controller\Result\Json
      */
     public function execute()
     {
         $apiKey = $this->getRequest()->getParam('key');
-        return $this->resultFactory->create(ResultFactory::TYPE_JSON)->setData($this->apiKeyValidator->validate($apiKey));
+        $validationResult = $this->apiKeyValidator->validate($apiKey);
+        return $this->resultFactory->create(ResultFactory::TYPE_JSON)->setData($validationResult);
     }
 }