hg: jdk/sandbox: 8198337: -XX:StartFlightRecording=dumponexit=true, disk=false doesn't work

[chris.hegarty at oracle.com]

Changeset: 2ae4cd9d809d
Author:    egahlin
Date:      2018-05-21 14:46 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/2ae4cd9d809d

8198337: -XX:StartFlightRecording=dumponexit=true,disk=false doesn't work
Reviewed-by: mgronlun

! src/jdk.jfr/share/classes/jdk/jfr/internal/PlatformRecorder.java
! src/jdk.jfr/share/classes/jdk/jfr/internal/PlatformRecording.java
! test/jdk/jdk/jfr/startupargs/TestDumpOnExit.java