Revert "ART: Refactor typedef to using"

This reverts commit 9a20ff06f7ccee08a742c315ec6d351ab56ba1cd.

Reason for revert: Attributes on the wrong side.

Bug: 32619234
Change-Id: I8fd2abef619b22c02ccfbf5ae629339f1a60918b
diff --git a/runtime/jit/debugger_interface.cc b/runtime/jit/debugger_interface.cc
index 6cd719a..63fb22c 100644
--- a/runtime/jit/debugger_interface.cc
+++ b/runtime/jit/debugger_interface.cc
@@ -77,11 +77,11 @@
 
 namespace art {
 extern "C" {
-  enum JITAction {
+  typedef enum {
     JIT_NOACTION = 0,
     JIT_REGISTER_FN,
     JIT_UNREGISTER_FN
-  };
+  } JITAction;
 
   struct JITCodeEntry {
     // Atomic to ensure the reader can always iterate over the linked list