[11] RFR (XS) 8207047: Multiple VM variants build fail

[Severin Gehwolf]

Adding build-dev as this is a build change.

On Thu, 2018-07-12 at 12:12 +0300, Boris Ulasevich wrote:
> Hi all,
> 
> Please review a simple patch:
> http://cr.openjdk.java.net/~bulasevich/8207047/webrev.00
> https://bugs.openjdk.java.net/browse/JDK-8207047
> 
> Collision happens on JFR gensrc tool when make system runs several VM 
> configuration's gensrc concurrently. Let us move JFR gensrc tools files 
> from shared output to the JVM_VARIANT output folder.
> 
> thanks,
> Boris