[Backport] 8239886: Minimal VM build fails after JDK-8237499

Summary:

Test Plan: jdk/test/jdk/jfr

Reviewed-by: zhengxiaolinX, yuleil

Issue: https://github.com/alibaba/dragonwell8/issues/127

src/share/vm/prims/jni.cpp

@@ -5026,11 +5026,14 @@ static void post_thread_start_event(const JavaThread* jt) {
   if (event.should_commit()) {
     event.set_thread(JFR_THREAD_ID(jt));
     event.set_parentThread((traceid)0);
+#if INCLUDE_JFR
     if (EventThreadStart::is_stacktrace_enabled()) {
       jt->jfr_thread_local()->set_cached_stack_trace_id((traceid)0);
       event.commit();
       jt->jfr_thread_local()->clear_cached_stack_trace();
-    } else {
+    } else
+#endif
+    {
       event.commit();
     }
   }