display: Use log.h from VNDK

Change-Id: I8aa8566036a44b1587f5cfe6c745e11a3dd19481
diff --git a/gpu_tonemapper/TonemapFactory.cpp b/gpu_tonemapper/TonemapFactory.cpp
index 3233682..db4b8be 100644
--- a/gpu_tonemapper/TonemapFactory.cpp
+++ b/gpu_tonemapper/TonemapFactory.cpp
@@ -18,7 +18,7 @@
  */
 
 #include "TonemapFactory.h"
-#include <utils/Log.h>
+#include <log/log.h>
 #include "Tonemapper.h"
 #include "engine.h"