Test gc/stress/gcold/TestGCOldWithShenandoah.java#aggressive timeout with -Xcomp option.

test log snippet:
started: Mon Jul 08 21:33:32 CST 2024
Mode: othervm [/othervm specified]
Timeout information:
Running jstack on process 409218
409218: Unable to open socket file /tmp/.java_pid409218: target process 409218 doesn't respond within 10500ms or HotSpot VM not loaded
--- Timeout information end.
finished: Mon Jul 08 21:41:43 CST 2024
elapsed time (seconds): 490.772