ENGCOM-1649: [Backport] Added language translation for message string #15444

 - Merge Pull Request #15444 from Yogeshks/magento2:2.1-develop
 - Merged commits:
   1. d2a3b1c
   2. 9d01d76
   3. 8efc333
   4. 002a7c0
   5. 0613e58

Author: magento-engcom-team

app/code/Magento/AdminNotification/Controller/Adminhtml/System/Message/ListAction.php

@@ -61,8 +61,10 @@ public function execute()
         if (empty($result)) {
             $result[] = [
                 'severity' => (string)\Magento\Framework\Notification\MessageInterface::SEVERITY_NOTICE,
-                'text' => 'You have viewed and resolved all recent system notices. '
-                    . 'Please refresh the web page to clear the notice alert.',
+                'text' => __(
+                    'You have viewed and resolved all recent system notices. '
+                    . 'Please refresh the web page to clear the notice alert.'
+                )
             ];
         }
         $this->getResponse()->representJson($this->jsonHelper->jsonEncode($result));

app/code/Magento/AdminNotification/i18n/en_US.csv

@@ -49,3 +49,4 @@ Severity,Severity
 "Date Added","Date Added"
 Message,Message
 Actions,Actions
+"You have viewed and resolved all recent system notices. Please refresh the web page to clear the notice alert.","You have viewed and resolved all recent system notices. Please refresh the web page to clear the notice alert."