hg: jdk/jdk13: 8227642: [TESTBUG] Make docker tests podman compatible

[christoph.langer at sap.com]

Changeset: 830619e8936c
Author:    sgehwolf
Date:      2019-07-12 19:37 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk13/rev/830619e8936c

8227642: [TESTBUG] Make docker tests podman compatible
Reviewed-by: mseledtsov, iignatyev

! test/jtreg-ext/requires/VMProps.java
! test/lib/jdk/test/lib/Platform.java
! test/lib/jdk/test/lib/containers/cgroup/MetricsTester.java
! test/lib/jdk/test/lib/containers/docker/DockerTestUtils.java