hg: jdk-updates/jdk11u-dev: 8231254: (fs) Add test for macOS Catalina changes to protect system software

[christoph.langer at sap.com]

Changeset: e9a21a446e1d
Author:    bpb
Date:      2019-09-23 13:59 -0700
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/e9a21a446e1d

8231254: (fs) Add test for macOS Catalina changes to protect system software
Reviewed-by: alanb

+ test/jdk/java/nio/file/etc/MacVolumesTest.java