[9] Review request: JDK-8171352 javapackager throws "Exception: jdk.tools.jlink.plugin.PluginException: java.lang.IllegalArgumentException: No modules to add" when bundled with NormalJar

[Chris Bensen]

Kevin,

Please review this minor change to build.gradle as a follow on to JDK-8170198. 
The location of the redistributable.list was incorrect and my testing didn’t 
catch it.

JIRA: https://bugs.openjdk.java.net/browse/JDK-8171352 
<https://bugs.openjdk.java.net/browse/JDK-8171352>
Webrev: http://cr.openjdk.java.net/~cbensen/JDK-8171352/webrev.00/ 
<http://cr.openjdk.java.net/~cbensen/JDK-8171352/webrev.00/>

Chris