hg: jdk/sandbox: 8228434: jdk/net/Sockets/Test.java fails after JDK-8227642

[chris.hegarty at oracle.com]

Changeset: 07e998f8f816
Author:    sgehwolf
Date:      2019-07-22 10:48 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/07e998f8f816

8228434: jdk/net/Sockets/Test.java fails after JDK-8227642
Summary: Move container constant to separate test lib class
Reviewed-by: alanb

! test/hotspot/jtreg/TEST.ROOT
! test/jdk/TEST.ROOT
! test/jtreg-ext/requires/VMProps.java
+ test/lib/jdk/test/lib/Container.java
! test/lib/jdk/test/lib/Platform.java
! test/lib/jdk/test/lib/containers/docker/DockerTestUtils.java