hg: jdk/sandbox: 8230767: FlightRecorderListener returns null recording

[chris.hegarty at oracle.com]

Changeset: d4cae08239f7
Author:    egahlin
Date:      2019-11-11 14:47 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/d4cae08239f7

8230767: FlightRecorderListener returns null recording
Reviewed-by: mseledtsov, mgronlun

! src/jdk.jfr/share/classes/jdk/jfr/internal/PlatformRecording.java
+ test/jdk/jdk/jfr/api/recorder/TestRecorderListenerWithDump.java