Fix profiling output to properly display class info.

The profiler stores class def indexes, not type ids.

Change-Id: Ieec9374a2ba381387ed444f376922478183145f8
diff --git a/runtime/jit/offline_profiling_info.cc b/runtime/jit/offline_profiling_info.cc
index 5039d2d..aa606a2 100644
--- a/runtime/jit/offline_profiling_info.cc
+++ b/runtime/jit/offline_profiling_info.cc
@@ -637,7 +637,7 @@
     os << "\n\tclasses: ";
     for (const auto class_it : dex_data.class_set) {
       if (dex_file != nullptr) {
-        os << "\n\t\t" << PrettyType(class_it, *dex_file);
+        os << "\n\t\t" << dex_file->GetClassDescriptor(dex_file->GetClassDef(class_it));
       } else {
         os << class_it << ",";
       }