Merge "Revert "Only add divider when it need to show"" into rvc-dev am: 77db95ce85 am: 778d68307c am: 5d9a7cec42 am: d53a32fa04

Change-Id: Ia9dfc6d5fc08c4efc59d79c0fbcae46ef2868af9

core/java/android/view/WindowlessWindowManager.java

@@ -41,6 +41,7 @@ public class WindowlessWindowManager implements IWindowSession {
     private final static String TAG = "WindowlessWindowManager";
 
     private class State {
+        //TODO : b/150190730 we should create it when view show and release it when view invisible.
         SurfaceControl mSurfaceControl;
         WindowManager.LayoutParams mParams = new WindowManager.LayoutParams();
         int mDisplayId;