RFR: JDK-8150367: Add back information about the number of GC workers

[Thomas Schatzl]

Hi,

On Mon, 2016-02-22 at 14:18 +0100, Bengt Rutisson wrote:
> Forgot to add the webrev link:
> 
> http://cr.openjdk.java.net/~brutisso/8150367/webrev.00/
> 
> Thanks Thomas for notifying me about it :)

  looks good.

Thomas