Request for review (s) - 8155948: Add message for CMS deprecation for some internal builds

[Kim Barrett]

> On Sep 8, 2016, at 3:38 PM, Jon Masamitsu <jon.masamitsu at oracle.com> wrote:
> 
> Latest delta
> 
> http://cr.openjdk.java.net/~jmasa/8155948/webrev_delta.01_02/
> 
> and full
> 
> http://cr.openjdk.java.net/~jmasa/8155948/webrev.02/

Looks good.