RFR (XS) JDK-8160055 Misplaced call to ClassLoaderDataGraph::clear_claimed_marks during initial mark

[Kim Barrett]

> On Oct 21, 2016, at 11:09 AM, Joseph Provino <joseph.provino at oracle.com> wrote:
> 
> Hi Thomas, I think I've made the changes you requested.
> 
> Webrev is http://cr.openjdk.java.net/~jprovino/8160055/webrev.04

Looks good to me.