Move logging.h into base/logging.h.

Change-Id: Id68f85f7c3a71b156cb40dec63f94d4fb827f279
diff --git a/src/constants_x86.h b/src/constants_x86.h
index e1ddd9a..e48b281 100644
--- a/src/constants_x86.h
+++ b/src/constants_x86.h
@@ -18,9 +18,10 @@
 #define ART_SRC_CONSTANTS_X86_H_
 
 #include <iosfwd>
+
+#include "base/logging.h"
 #include "base/macros.h"
 #include "globals.h"
-#include "logging.h"
 
 namespace art {
 namespace x86 {