RFR (XS) JDK-8153582 Logging of ConcGCThreads is done too early

[Thomas Schatzl]

Hi Joe,

On Tue, 2016-05-17 at 15:17 -0400, Joseph Provino wrote:
> I changed the log level to debug and added created a test.
> 
> Webrev:  http://cr.openjdk.java.net/~jprovino/8153582/webrev.01
> 

  in the test, please limit the allowable GCs to CMS and G1. I do not
think it makes sense to call the test with other GCs.

Like

@requires vm.gc=="ConcMarkSweep" | vm.gc=="G1" | vm.gc=="null"

I do not need a re-review for this change.

Thanks,
  Thomas