hg: jdk/sandbox: clear_artifacts in the correct location

[markus.gronlund at oracle.com]

Changeset: b6efcf2217f1
Author:    mgronlun
Date:      2019-09-22 17:31 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/b6efcf2217f1

clear_artifacts in the correct location

! src/hotspot/share/jfr/jfr.cpp
! src/hotspot/share/jfr/recorder/checkpoint/types/jfrTypeSet.cpp