hg: jdk10/master: 8185458: Added comment for Files.notExists in FileUtils test library

[andrey.x.nazarov at oracle.com]

Changeset: 82c43b3c0ea0
Author:    anazarov
Date:      2017-09-22 11:49 -0700
URL:       http://hg.openjdk.java.net/jdk10/master/rev/82c43b3c0ea0

8185458: Added comment for Files.notExists in FileUtils test library
Reviewed-by: chegar

! test/lib/jdk/test/lib/util/FileUtils.java