RFR (S): 8228388: Add information about dirty/skipped card for Merge HCC in G1 log

[Thomas Schatzl]

Hi Sangheon,

On Tue, 2019-07-23 at 10:19 -0700, sangheon.kim at oracle.com wrote:
> Hi Thomas,
> 
> On 7/18/19 9:27 AM, Thomas Schatzl wrote:
> > Hi all,
> > 
> >    can I have reviews for this small change that adds information
> > about how many cards were flushed/used from the HCC during GC?
[...]
> >
> > CR:
> > https://bugs.openjdk.java.net/browse/JDK-8228388
> > Webrev:
> > http://cr.openjdk.java.net/~tschatzl/8228388/webrev/
> 
> Looks good.
> 
  thanks for your review.

Thomas