RFR: 8287828: Fix so that one can select jtreg test case by ID from make [v3]

[Leo Korinth]

On Mon, 6 Jun 2022 07:55:09 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

>> Leo Korinth has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   wip
>
> make/RunTests.gmk line 444:
> 
>> 442: $(strip $(foreach parser,ParseCustomTestSelection ParseGtestTestSelection ParseMicroTestSelection ParseJtregTestSelection ParseSpecialTestSelection \
>> 443:  ,$(call $(parser),$1)))
>> 444: endef
> 
> As this is logically a one-liner macro, please format according to guidelines. Also try to keep lines shortish. Something like this:
> 
> Suggestion:
> 
> ParseTestSelection = \
>   $(strip $(foreach parser, ParseCustomTestSelection ParseGtestTestSelection ParseMicroTestSelection \ 
>       ParseJtregTestSelection ParseSpecialTestSelection, \
>     $(call $(parser), $1) \
>   ))

I made it a one-liner, and I refactored the code to use `or`

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PR: https://git.openjdk.java.net/jdk/pull/9028