ART: Add tests for TLS

Wire up the functions. Actually add tests to 924-threads.

Bug: 31684593
Test: m test-art-host-run-test-924-threads
Change-Id: Ie4966a57633188fb75278d6bf4bdeb0ff2cd25aa
diff --git a/runtime/openjdkjvmti/OpenjdkJvmTi.cc b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
index e9b7cf5..a1bb58e 100644
--- a/runtime/openjdkjvmti/OpenjdkJvmTi.cc
+++ b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
@@ -198,11 +198,11 @@
   }
 
   static jvmtiError SetThreadLocalStorage(jvmtiEnv* env, jthread thread, const void* data) {
-    return ERR(NOT_IMPLEMENTED);
+    return ThreadUtil::SetThreadLocalStorage(env, thread, data);
   }
 
   static jvmtiError GetThreadLocalStorage(jvmtiEnv* env, jthread thread, void** data_ptr) {
-    return ERR(NOT_IMPLEMENTED);
+    return ThreadUtil::GetThreadLocalStorage(env, thread, data_ptr);
   }
 
   static jvmtiError GetTopThreadGroups(jvmtiEnv* env,