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/mirror/object_test.cc b/runtime/mirror/object_test.cc
index b35a479..afd6115 100644
--- a/runtime/mirror/object_test.cc
+++ b/runtime/mirror/object_test.cc
@@ -49,7 +49,7 @@
                     const char* utf8_in,
                     const char* utf16_expected_le,
                     int32_t expected_hash)
-      SHARED_REQUIRES(Locks::mutator_lock_) {
+      REQUIRES_SHARED(Locks::mutator_lock_) {
     std::unique_ptr<uint16_t[]> utf16_expected(new uint16_t[expected_utf16_length]);
     for (int32_t i = 0; i < expected_utf16_length; i++) {
       uint16_t ch = (((utf16_expected_le[i*2 + 0] & 0xff) << 8) |