Get to the point of being able to do native drawing.

A little cleanup.

Change-Id: I37ef0557abf330d91d6fe47e81d062206b3bc346
diff --git a/native/android/native_window.cpp b/native/android/native_window.cpp
index 7a6eb6d..448cbfc 100644
--- a/native/android/native_window.cpp
+++ b/native/android/native_window.cpp
@@ -39,3 +39,9 @@
 int32_t ANativeWindow_getFormat(ANativeWindow* window) {
     return getWindowProp(window, NATIVE_WINDOW_FORMAT);
 }
+
+int32_t ANativeWindow_setBuffersGeometry(ANativeWindow* window, int32_t width,
+        int32_t height, int32_t format) {
+    native_window_set_buffers_geometry(window, width, height, format);
+    return 0;
+}