RFR: Fix Shenandoah test upstreaming patch

[Roman Kennke]

Hi Zhengyu,

ok

Roman


> The Shenandoah test upstreaming patch, I pushed yesterday, is not quite
> right. I messed it up when I switched computer and forgot to commit
> removed and moved files - Sorry.
> 
> Webrev:
> http://cr.openjdk.java.net/~zgu/shenandoah/fix_upstream_tests/webrev.00/
> 
> Test:
> 
> Reran tier3_gc_shenandoah and tier1_gc_1, eyeballed the tests.
> 
> Thanks,
> 
> -Zhengyu