remove dependency on android_native{s_priv|buffer}.h

Change-Id: Ie4b95f7061c240f37c504414259f92d72c4ffc89
diff --git a/libs/rs/driver/rsdGL.cpp b/libs/rs/driver/rsdGL.cpp
index 7c668573..8033b088 100644
--- a/libs/rs/driver/rsdGL.cpp
+++ b/libs/rs/driver/rsdGL.cpp
@@ -16,7 +16,8 @@
 
 #include <ui/FramebufferNativeWindow.h>
 #include <ui/PixelFormat.h>
-#include <ui/egl/android_natives.h>
+
+#include <system/window.h>
 
 #include <sys/types.h>
 #include <sys/resource.h>