Update to use the correct logging library.

Test: mma compiles
Change-Id: Idb33dea5faaf1a5e54719c2a5a683d2d47e9b8e8
diff --git a/example/extension/light/2.0/default/service.cpp b/example/extension/light/2.0/default/service.cpp
index ae00506..3eb7bdf 100644
--- a/example/extension/light/2.0/default/service.cpp
+++ b/example/extension/light/2.0/default/service.cpp
@@ -15,7 +15,7 @@
  */
 #define LOG_TAG "android.hardware.light@2.0-service"
 
-#include <utils/Log.h>
+#include <android/log.h>
 
 #include "Light.h"