RFR: JDK-8229138: Add --linux-app-release option for DEB and RPM packages

[Andy Herrick]

Please review the jpackage fix for bug [1] at [2].

This is a fix for the JDK-8200758-branch branch of the open sandbox 
repository (jpackage).

[1] https://bugs.openjdk.java.net/browse/JDK-8229138?filter=-1

[2] http://cr.openjdk.java.net/~herrick/8229138/webrev.01/


Thanks,

Andy