title: android-remove title of submenu item on right side option menu?
body: <p>Here is my menu xml code for menu and submenu,
  When i press in menu that contain submenu, there is submenu autometic show title of there parent menu i want to remove it.
  Here is screen for it's 
  <a href="https://i.stack.imgur.com/F6OVG.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/F6OVG.png" alt="Screen shot for main menu"></a>
     <a href="https://i.stack.imgur.com/3s920.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/3s920.png" alt="Screen shot submenu that want,"></a></p>
  
  <p></p>
  
  <pre><code>&lt;item
      android:id="@+id/action_call"
      android:icon="@drawable/call_icon"
      android:orderInCategory="1"
      android:title="@string/menu_search"
      app:showAsAction="always" /&gt;
  
  &lt;item
      android:id="@+id/action_attach"
      android:icon="@drawable/ic_attachment"
      android:orderInCategory="2"
      android:title="@string/menu_comment"
      app:showAsAction="always" /&gt;
  &lt;item
      android:id="@+id/menuScheduleSmS"
      android:title="@string/menu_schedule_sms" /&gt;
  
  &lt;item
      android:id="@+id/menuMore"
      android:title="@string/menu_more"&gt;
  
      &lt;menu&gt;
  
          &lt;item
              android:id="@+id/menuBlockContact"
              android:title="@string/menu_block_contact" /&gt;
          &lt;item
              android:id="@+id/menuClearChat"
              android:title="@string/menu_clear_chat" /&gt;
          &lt;item
              android:id="@+id/menuEmailChat"
              android:title="@string/menu_email_chat" /&gt;
  
      &lt;/menu&gt;
  &lt;/item&gt;
  &lt;/menu&gt;
  </code></pre>