hg: jdk9/sandbox/jdk: 6947916: JarURLConnection does not handle useCaches correctly

[chris.hegarty at oracle.com]

Changeset: e173966d872b
Author:    robm
Date:      2016-09-13 14:47 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/e173966d872b

6947916: JarURLConnection does not handle useCaches correctly
Reviewed-by: chegar

! src/java.base/share/classes/sun/net/www/protocol/jar/JarURLConnection.java
+ test/sun/net/www/protocol/jar/JarURLConnectionUseCaches.java