Add logging utility methods

Change-Id: I0f316830dcc0bbf438292a6d0fbe9f8154368500
diff --git a/libs/hwui/utils/MathUtils.h b/libs/hwui/utils/MathUtils.h
index 7deabe9..8ba44dc 100644
--- a/libs/hwui/utils/MathUtils.h
+++ b/libs/hwui/utils/MathUtils.h
@@ -38,4 +38,4 @@
 } /* namespace uirenderer */
 } /* namespace android */
 
-#endif /* RENDERNODE_H */
+#endif /* MATHUTILS_H */