ART: Some header cleaning around bit-utils

Try to remove dependencies where they are not necessary.

Change-Id: I5ff35cb17aea369bed3725b1610b50d7eb05b81e
diff --git a/compiler/optimizing/stack_map_stream.h b/compiler/optimizing/stack_map_stream.h
index 550ed70..703b6f7 100644
--- a/compiler/optimizing/stack_map_stream.h
+++ b/compiler/optimizing/stack_map_stream.h
@@ -19,6 +19,7 @@
 
 #include "base/arena_containers.h"
 #include "base/bit_vector-inl.h"
+#include "base/hash_map.h"
 #include "base/value_object.h"
 #include "memory_region.h"
 #include "nodes.h"