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/monitor_pool.cc b/runtime/monitor_pool.cc
index a47a4b2..0f4e238 100644
--- a/runtime/monitor_pool.cc
+++ b/runtime/monitor_pool.cc
@@ -107,7 +107,7 @@
 
 Monitor* MonitorPool::CreateMonitorInPool(Thread* self, Thread* owner, mirror::Object* obj,
                                           int32_t hash_code)
-    SHARED_REQUIRES(Locks::mutator_lock_) {
+    REQUIRES_SHARED(Locks::mutator_lock_) {
   // We are gonna allocate, so acquire the writer lock.
   MutexLock mu(self, *Locks::allocated_monitor_ids_lock_);