Explicitly include log/log.h instead of cutils/log.h

Eliminates the warning.
Test: treehugger

Change-Id: I81ef6789d7609d5310c3da6a6dcf9b17eca2fa14
diff --git a/ng/AndroidKeymaster3Device.cpp b/ng/AndroidKeymaster3Device.cpp
index 93ef72b..da00d96 100644
--- a/ng/AndroidKeymaster3Device.cpp
+++ b/ng/AndroidKeymaster3Device.cpp
@@ -19,7 +19,7 @@
 
 #include "include/AndroidKeymaster3Device.h"
 
-#include <cutils/log.h>
+#include <android/log.h>
 
 #include "include/authorization_set.h"