fixup! refactor(aria/toolbar): dev-app demo changes

Author: wagnermaciel

src/components-examples/aria/toolbar/toolbar-basic-vertical/toolbar-basic-vertical-example.html

@@ -7,7 +7,7 @@
   >
     <div class="example-group" aria-label="Undo and Redo options">
       <button toolbar-button value="undo">undo</button>
-      <button toolbar-button value="redo" [disabled]="true">redo</button>
+      <button toolbar-button value="redo">redo</button>
     </div>
 
     <div class="example-separator" role="separator"></div>

src/dev-app/aria-toolbar/toolbar-demo.html

@@ -9,7 +9,7 @@ <h2>Toolbar Basic Vertical</h2>
       <toolbar-basic-vertical-example></toolbar-basic-vertical-example>
     </div>
     <div class="example-toolbar-container">
-      <h2>Toolbar Disabled Items</h2>
+      <h2>Toolbar with Hard Disabled Items</h2>
       <toolbar-hard-disabled-example></toolbar-hard-disabled-example>
     </div>
     <div class="example-toolbar-container">