Refresh retained Android package CMake

src/app.h

@@ -19,7 +19,6 @@
 #include "node_canvas.h"
 #include "node_dialog_layer_rename.h"
 #include "node_progress_bar.h"
-#include "node_panel_grid.h"
 #include "node_panel_quick.h"
 #include "node_input_box.h"
 #include "node_panel_animation.h"
@@ -32,6 +31,8 @@ class PlatformServices;
 struct PlatformStoragePaths;
 }
 
+class NodePanelGrid;
+
 #if defined(__OBJC__) && defined(__IOS__)
 @class GameViewController;
 @class AppDelegate;