RFR(XS): 8240592: HeapRegionManager::rebuild_free_list logs 0s for the estimated free regions before

[Kim Barrett]

> On Mar 6, 2020, at 3:38 AM, Ivan Walulya <ivan.walulya at oracle.com> wrote:
> 
> Thanks kim!
>> 
>> But there's also the question of why the log message mentions the
>> number of free regions at all, since the number of pre-existing free
>> regions isn't important because of the abandonment.
> 
> I will remove the number of free regions from the log entry and then set back the previous ordering. 

Sounds good.