git: openjdk/mobile: 8229888: (zipfs) Updating an existing zip file does not preserve original permissions

[duke]

Changeset: ab7cfde8
Author:    Lance Andersen <lancea at openjdk.org>
Date:      2019-12-18 12:03:56 +0000
URL:       https://git.openjdk.java.net/mobile/commit/ab7cfde8

8229888: (zipfs) Updating an existing zip file does not preserve original permissions

Reviewed-by: clanger, alanb, bpb

! src/jdk.zipfs/share/classes/jdk/nio/zipfs/ZipFileSystem.java
+ test/jdk/jdk/nio/zipfs/ZipFSPermissionsTest.java
+ test/jdk/jdk/nio/zipfs/ZipFSPermissionsTest.policy