include <float.h> for DBL_MAX and DBL_MIN

(cherry picked from commit 8ab83604ac129a654e54d2d000cc47203394e30b)

Change-Id: Id4b3000324908028dc6557a69195064d4a7fb233
diff --git a/runtime/reflection_test.cc b/runtime/reflection_test.cc
index 5332202..f7fc020 100644
--- a/runtime/reflection_test.cc
+++ b/runtime/reflection_test.cc
@@ -16,6 +16,7 @@
 
 #include "reflection.h"
 
+#include <float.h>
 #include <limits.h>
 
 #include "common_compiler_test.h"