updated exit icon menu

build/patches/Add-exit-menu-item.patch

@@ -41,7 +41,7 @@ diff --git a/chrome/android/java/res/menu/main_menu_regroup.xml b/chrome/android
              android:title="@string/managed" />
 +        <item android:id="@+id/exit_id"
 +            android:title="@string/menu_exit" 
-+            android:icon="@drawable/ic_cloud_offline_24dp"/>
++            android:icon="@drawable/ic_exit_to_app_white_24dp"/>
      </group>
  
      <!-- Items shown only in the tab switcher -->