hg: jdk10/sandbox: 8180395: move FilterClassLoader and ParentLastURLClassLoader to top level testlibrary

[chris.hegarty at oracle.com]

Changeset: d4c30fc77c75
Author:    iignatyev
Date:      2017-05-18 10:22 -0700
URL:       http://hg.openjdk.java.net/jdk10/sandbox/rev/d4c30fc77c75

8180395: move FilterClassLoader and ParentLastURLClassLoader to top level testlibrary
Reviewed-by: psandoz

+ test/lib/jdk/test/lib/classloader/FilterClassLoader.java
+ test/lib/jdk/test/lib/classloader/ParentLastURLClassLoader.java