Mark deduplicated symbols more obviously.

Move "[DEDUPED]" to the front of the symbol name to make the fact that
the symbol was deduplicated more obvious at a glance.

Bug: http://b/32949969
Test: treehugger
Change-Id: I4b60ee1eedd709dfd41b8da27ad6bb9e8197acda
diff --git a/compiler/debug/elf_symtab_writer.h b/compiler/debug/elf_symtab_writer.h
index 2ed3a4b..c09639e 100644
--- a/compiler/debug/elf_symtab_writer.h
+++ b/compiler/debug/elf_symtab_writer.h
@@ -89,7 +89,7 @@
       DCHECK(info.dex_file != nullptr);
       std::string name = info.dex_file->PrettyMethod(info.dex_method_index, !mini_debug_info);
       if (deduped_addresses.find(info.code_address) != deduped_addresses.end()) {
-        name += " [DEDUPED]";
+        name = "[DEDUPED] " + name;
       }
       name_offset = strtab->Write(name);
     }