RFR 8185496: Improve performance of system properties initialization in initPhase1

[Claes Redestad]

Hi Roger,

On 2018-11-08 16:41, Roger Riggs wrote:
> Hi Mandy,
>
> Webrev updated in place:  (Only System.java is modified)
>
> http://cr.openjdk.java.net/%7Erriggs/webrev-props-cleanup-8185496/index.html

Don't you need to update VersionProps.template.java, too?

/Claes