[15] RFR: 8249256: [macos] Add EmptyFolderPackageTest test to problem list

[alexander . matveev]

Please review the jpackage fix for bug [1] at [2].

EmptyFolderPackageTest.java added to ProblemList.

[1] https://bugs.openjdk.java.net/browse/JDK-8249256
[2] http://cr.openjdk.java.net/~almatvee/8249256/webrev.00/

Thanks,
Alexander