git: openjdk/jdk13u-dev: 8230767: FlightRecorderListener returns null recording

[Yuri Nesterenko]

Changeset: 91b19c9d
Author:    Ekaterina Vergizova <evergizova at openjdk.org>
Committer: Yuri Nesterenko <yan at openjdk.org>
Date:      2020-11-26 11:59:07 +0000
URL:       https://git.openjdk.java.net/jdk13u-dev/commit/91b19c9d

8230767: FlightRecorderListener returns null recording

Backport-of: b3d2b3ba5fbd7ca383b1ba0311ab1a1f3c60198f

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