Clean up some includes

Change-Id: Ia03a3b54b235df38d5cfe096fef1aebe2b80eb29
diff --git a/runtime/gc/space/rosalloc_space-inl.h b/runtime/gc/space/rosalloc_space-inl.h
index 25d4445..f94ec23 100644
--- a/runtime/gc/space/rosalloc_space-inl.h
+++ b/runtime/gc/space/rosalloc_space-inl.h
@@ -17,6 +17,8 @@
 #ifndef ART_RUNTIME_GC_SPACE_ROSALLOC_SPACE_INL_H_
 #define ART_RUNTIME_GC_SPACE_ROSALLOC_SPACE_INL_H_
 
+#include <valgrind.h>
+
 #include "gc/allocator/rosalloc-inl.h"
 #include "gc/space/valgrind_settings.h"
 #include "rosalloc_space.h"