RFR (T) 8223534: add back fixed test_markOop.cpp

[coleen.phillimore at oracle.com]

Summary: The test needed wait_with_safepoint_check in the main thread.

That's the only change to the test, except adding it back.

open webrev at http://cr.openjdk.java.net/~coleenp/2019/8223534.01/webrev
bug link https://bugs.openjdk.java.net/browse/JDK-8223534

Ran hs-tier1-3 on it just in case the curse of this test continues.

Thanks,
Coleen