Bug 1000001 - Mark Editor as changed when moving panels (r=margaret)

mobile/android/base/home/HomeConfig.java

@@ -1336,6 +1336,8 @@ public final class HomeConfig {
 
             mConfigOrder.remove(panelId);
             mConfigOrder.add(destIndex, panelId);
+            mHasChanged = true;
+
             return true;
         }