hg: jdk/sandbox: Add foundation for event object reuse

[erik.gahlin at oracle.com]

Changeset: 8e8a06a3059c
Author:    egahlin
Date:      2019-05-27 18:33 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/8e8a06a3059c

Add foundation for event object reuse

! 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
! src/jdk.jfr/share/classes/jdk/jfr/consumer/EventParser.java
! src/jdk.jfr/share/classes/jdk/jfr/consumer/EventSet.java
! src/jdk.jfr/share/classes/jdk/jfr/consumer/EventStream.java
! src/jdk.jfr/share/classes/jdk/jfr/consumer/RecordedEvent.java
! src/jdk.jfr/share/classes/jdk/jfr/consumer/RecordedObject.java
! src/jdk.jfr/share/classes/jdk/jfr/consumer/RecordingFile.java
! src/jdk.jfr/share/classes/jdk/jfr/consumer/RecordingStream.java