ART: More header cleanups

Clean up some more includes. Move some -inls from object-inl to
object-refvisitor-inl. Fix up transitives.

Test: m test-art-host
Change-Id: I0e3e268d95a1c71b0a80fc963d13d191a97b2283
diff --git a/runtime/intern_table_test.cc b/runtime/intern_table_test.cc
index 311515c..bb27b34 100644
--- a/runtime/intern_table_test.cc
+++ b/runtime/intern_table_test.cc
@@ -23,6 +23,7 @@
 #include "handle_scope-inl.h"
 #include "mirror/string.h"
 #include "scoped_thread_state_change-inl.h"
+#include "utf.h"
 
 namespace art {