hg: jdk/sandbox: 8222489: jcmd VM.system_properties gives unusable paths on Windows

[chris.hegarty at oracle.com]

Changeset: faa4916a3379
Author:    cito
Date:      2020-03-07 23:08 +0900
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/faa4916a3379

8222489: jcmd VM.system_properties gives unusable paths on Windows
Reviewed-by: sspitsyn, ysuenaga

! src/java.base/share/classes/jdk/internal/vm/VMSupport.java
+ test/jdk/sun/tools/jcmd/TestVM.java