RFR: 7124706: enable RetransformBigClass.sh test when fix for 8013063 is promoted

[Coleen Phillimore]

Summary: The code for this test is fixed now and integrated to TL repo 
and it passes now.

open webrev at http://cr.openjdk.java.net/~coleenp/7124706_jdk/
bug link at http://bugs.sun.com/view_bug.do?bug_id=7124706_jdk
Thanks,
Coleen