RFR: JDK-8226599 use code coverage results to remove dead code

[Alexey Semenyuk]

Looks good.

- Alexey

On 6/26/2019 7:09 PM, Andy Herrick wrote:
> 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-8226599
>
> [2] http://cr.openjdk.java.net/~herrick/8226599/webrev.03
>
> /Andy