ART: Fix inline dependency

GetClassFromTypeIdx is defined in the -inl file.

Change-Id: Ib5dbcea08dccee43ff70cac2e45cdbf210cb490c
diff --git a/runtime/debugger.cc b/runtime/debugger.cc
index ef5db2d..49b132d 100644
--- a/runtime/debugger.cc
+++ b/runtime/debugger.cc
@@ -31,7 +31,7 @@
 #include "gc/space/space-inl.h"
 #include "handle_scope.h"
 #include "jdwp/object_registry.h"
-#include "method_helper.h"
+#include "method_helper-inl.h"
 #include "mirror/art_field-inl.h"
 #include "mirror/art_method-inl.h"
 #include "mirror/class.h"