RFR: JDK-8234867: Issue warning for mutually exclusive options on jpackage command line

[Phil Race]

+1

-Phil.

> On Dec 9, 2019, at 2:36 PM, Alexander Matveev <alexander.matveev at oracle.com> wrote:
> 
> Looks good.
> 
> Thanks,
> Alexander
> 
>> On 12/9/2019 1:42 PM, Andy Herrick wrote:
>> Please review simple fix [2] for jpackage bug [1]
>> 
>> fixing error message for mutually exclusive options.
>> 
>> /Andy
>> 
>> [1] https://bugs.openjdk.java.net/browse/JDK-8234867
>> 
>> [2] http://cr.openjdk.java.net/~herrick/8234867/webrev.01/
>> 
>