RFR: JDK-8210837: Add libXrandr-devel to the Linux devkits

[Phil Race]

Since I tested this out and it worked fine, it gets my "+1".

-phil.

On 10/31/18 1:05 PM, Erik Joelsson wrote:
> Hello,
>
> Please review this small change to the devkit generator scripts for 
> Linux, adding libXrandr-devel to the sysroot. I'm also bumping the 
> devkit version used at Oracle to a version built using this change.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8210837
>
> Webrev: http://cr.openjdk.java.net/~erikj/8210837/webrev.01/index.html
>
> /Erik
>