hg: jdk/sandbox: update class names

[markus.gronlund at oracle.com]

Changeset: f9648f8ca4da
Author:    mgronlun
Date:      2019-09-22 14:18 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/f9648f8ca4da

update class names

! src/hotspot/share/jfr/recorder/checkpoint/jfrCheckpointManager.cpp
! src/hotspot/share/jfr/recorder/storage/jfrStorage.cpp
! src/hotspot/share/jfr/recorder/storage/jfrStorageUtils.hpp