RFR: 8230767: FlightRecorderListener returns null recording

[mikhailo.seledtsov at oracle.com]

Changes looks good. Please add the copyright header to the test before 
pushing (no need to repost a new webrev for this)


Thank you,

Misha

On 11/7/19 11:27 AM, Erik Gahlin wrote:
> Hi,
>
> Could I please have a review of this fix to the FlightRecorderListener.
>
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8230767
>
> Webrev:
> http://cr.openjdk.java.net/~egahlin/8230767/
>
> Testing:
> /test/jdk/jdk/jfr
>
> Thanks
> Erik