Fix 044-proxy. Implement proxy for now, working on x86 and ARM.

Already added a TODO to do the assembly code for x86 and ARM for proxy.
Use LLVM .ll for multi-architecture now.

Change-Id: Ibdeeee113dcf284592e9d7769d3044438cb1e453
diff --git a/src/compiler_llvm/runtime_support_llvm.h b/src/compiler_llvm/runtime_support_llvm.h
index ab5c804..1120251 100644
--- a/src/compiler_llvm/runtime_support_llvm.h
+++ b/src/compiler_llvm/runtime_support_llvm.h
@@ -19,6 +19,16 @@
 
 namespace art {
 
+namespace compiler_llvm {
+namespace special_stub {
+  enum SpecialStub {
+    kProxyStub = 16,
+    kMaxSpecialStub
+  };
+}
+}  // namespace compiler_llvm
+
+
 class Method;
 class Object;