hg: jdk/sandbox: 8201407: Files.move throws DirectoryNonEmptyException when moving directory across file system

[chris.hegarty at oracle.com]

Changeset: 3111982511ee
Author:    bpb
Date:      2018-06-07 07:43 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/3111982511ee

8201407: Files.move throws DirectoryNonEmptyException when moving directory across file system
Reviewed-by: alanb

! src/java.base/share/classes/java/nio/file/Files.java
! src/java.base/unix/classes/sun/nio/fs/UnixCopyFile.java
! src/java.base/windows/classes/sun/nio/fs/WindowsFileCopy.java
! test/jdk/java/nio/file/Files/CopyAndMove.java