git: openjdk/jdk20u: master: 8208077: File.listRoots performance degradation

[Rob McKenna]

Changeset: db9e39bf
Author:    Rob McKenna <robm at openjdk.org>
Date:      2023-01-30 16:18:10 +0000
URL:       https://git.openjdk.org/jdk20u/commit/db9e39bf831d853cd3fba363e0c759125b216954

8208077: File.listRoots performance degradation

Backport-of: 5b0af1a80bb4d2a81cda7e26a6ad0db43e679519

! src/java.base/windows/classes/java/io/WinNTFileSystem.java
! test/jdk/java/io/File/ListRoots.java