Change GC loop counter to 100 which is enough to test the original problem but doesn't timeout the test.
Reviewed-by: ctornqvi, lfoltan, mseledtsov, sla
ActiveMethodOopsCache was used to keep track of old versions of some methods that are cached in Universe but is buggy with permgen removal and not needed anymore
Reviewed-by: sspitsyn, dcubed, mseledtsov
