hg: jdk/sandbox: Add support for checkpoint aware flushing

[erik.gahlin at oracle.com]

Changeset: 86022e34ba63
Author:    egahlin
Date:      2019-08-23 18:45 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/86022e34ba63

Add support for checkpoint aware flushing

! src/jdk.jfr/share/classes/jdk/jfr/consumer/AbstractEventStream.java
! src/jdk.jfr/share/classes/jdk/jfr/consumer/ChunkParser.java
! src/jdk.jfr/share/classes/jdk/jfr/consumer/EventDirectoryStream.java
! src/jdk.jfr/share/classes/jdk/jfr/consumer/EventFileStream.java