[8u] RFR 8055705: Rename UnixPrintServiceLookup and Win32PrintServiceLookup as a platform neutral class name

[Zhengyu Gu]

>>
>> Because we keep old (JDK8) service lookup mechanism, instead of
>> migrating to newer one, which may need to pull in more changesets.
>>
>> Thanks,
>>
>> -Zhengyu
>>
>>
>>>
> 
> I'm not suggesting changing the lookup mechanism, just dispensing with
> duplicate copies of what are now the same file.
> 
> This worked for me on GNU/Linux with a small Makefile change:
> 
> https://cr.openjdk.java.net/~andrew/openjdk8/8055705/webrev.01/
> 
> Let me know if it works on Windows too.

Yes, works on Windows.

Thanks,

-Zhengyu


> 
> Thanks,
>