feat(aio): show developer survey 2019 (angular#28552)

PR Close angular#28552

aio/src/app/app.component.html

@@ -7,14 +7,14 @@
 <mat-toolbar color="primary" class="app-toolbar no-print" [class.transitioning]="isTransitioning">
   <mat-toolbar-row class="notification-container">
     <aio-notification
-      notificationId="angular-v6-announcement"
-      expirationDate="2018-07-01"
+      notificationId="survey-february-2019"
+      expirationDate="2019-03-01"
       [dismissOnContentClick]="true"
       (dismissed)="notificationDismissed()">
-      <a href="https://blog.angular.io/version-6-0-0-of-angular-now-available-cc56b0efa7a4">
+      <a href="http://bit.ly/angular-survey-2019">
         <mat-icon class="icon" svgIcon="insert_comment" aria-label="Announcement"></mat-icon>
-        <span class="message">Version 6 of Angular Now Available!</span>
-        <span class="action-button">Learn More</span>
+        <span class="message">Help Angular by taking a <b>1 minute survey</b>!</span>
+        <span class="action-button">Go to survey</span>
       </a>
     </aio-notification>
   </mat-toolbar-row>