8305520: ToggleNotifyJvmtiTest.java fails with release VMs

Reviewed-by: sspitsyn

Author: DamonFool

test/hotspot/jtreg/serviceability/jvmti/vthread/ToggleNotifyJvmtiTest/ToggleNotifyJvmtiTest.java

@@ -31,8 +31,8 @@
  * @build jdk.test.whitebox.WhiteBox
  *
  * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
- * @run main/othervm/native -XX:+WhiteBoxAPI -Xbootclasspath/a:. -agentlib:ToggleNotifyJvmtiTest ToggleNotifyJvmtiTest
- * @run main/othervm/native -XX:+WhiteBoxAPI -Xbootclasspath/a:. -Djdk.attach.allowAttachSelf=true ToggleNotifyJvmtiTest attach
+ * @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. -agentlib:ToggleNotifyJvmtiTest ToggleNotifyJvmtiTest
+ * @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. -Djdk.attach.allowAttachSelf=true ToggleNotifyJvmtiTest attach
  */
 
 import com.sun.tools.attach.VirtualMachine;