RFR: 8303024: Use Set.of in WindowsFileSystem

[Glavo]

On Tue, 21 Feb 2023 19:28:43 GMT, Sergey Tsypanov <stsypanov at openjdk.org> wrote:

> Hi @Glavo, to track this you can use this one https://bugs.openjdk.org/browse/JDK-8303024

Thanks.

-------------

PR: https://git.openjdk.org/jdk/pull/12697