RFR: JDK-8150504: JIB profiles for reference implementation builds

[Erik Joelsson]

We need to define a couple of new Jib profiles specifically for builds 
of just open jdk. These are needed for our internal reference 
implementation builds.

Bug: https://bugs.openjdk.java.net/browse/JDK-8150504
Webrev: http://cr.openjdk.java.net/~erikj/8150504/

/Erik