Fix wrong thread id being passed to SIRT roots.

Fixes jhat on hprof dumps.

Change-Id: I1a71eb3370606129fb5cf791ab582f34052a9f35
diff --git a/runtime/thread.h b/runtime/thread.h
index daffc92..a3a77bb 100644
--- a/runtime/thread.h
+++ b/runtime/thread.h
@@ -503,7 +503,7 @@
   // Is the given obj in this thread's stack indirect reference table?
   bool SirtContains(jobject obj) const;
 
-  void SirtVisitRoots(RootCallback* visitor, void* arg)
+  void SirtVisitRoots(RootCallback* visitor, void* arg, uint32_t thread_id)
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
   void PushSirt(StackIndirectReferenceTable* sirt) {