fix circular dependency libnativewindow <-> libui

Bug: 37647680
Bug: 37648355
Test: compile, manual
Change-Id: I9631beea52e23ebb519411f943c6f5062aedd2e5
diff --git a/services/surfaceflinger/LayerRejecter.cpp b/services/surfaceflinger/LayerRejecter.cpp
index 0b302eb..f152495 100644
--- a/services/surfaceflinger/LayerRejecter.cpp
+++ b/services/surfaceflinger/LayerRejecter.cpp
@@ -17,6 +17,7 @@
 #include "LayerRejecter.h"
 
 #include <gui/BufferItem.h>
+#include <system/window.h>
 
 #include "clz.h"