ART: SHARED_REQUIRES to REQUIRES_SHARED

This coincides with the actual attribute name and upstream usage.
Preparation for deferring to libbase.

Test: m
Test: m test-art-host
Change-Id: Ia8986b5dfd926ba772bf00b0a35eaf83596d8518
diff --git a/runtime/gc/accounting/remembered_set.h b/runtime/gc/accounting/remembered_set.h
index 3a0dcf7..5594781 100644
--- a/runtime/gc/accounting/remembered_set.h
+++ b/runtime/gc/accounting/remembered_set.h
@@ -57,7 +57,7 @@
   void UpdateAndMarkReferences(space::ContinuousSpace* target_space,
                                collector::GarbageCollector* collector)
       REQUIRES(Locks::heap_bitmap_lock_)
-      SHARED_REQUIRES(Locks::mutator_lock_);
+      REQUIRES_SHARED(Locks::mutator_lock_);
 
   void Dump(std::ostream& os);