RFR: 7902982: jcstress: Add samples for some mutex algorithms

[Michael Mirwaldt]

On Fri, 2 Jul 2021 05:27:58 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> I have implemented 3 more samples:
>> *) the NoAlgorithm sample should show users of JCStress how they can define a critical section in a simple way
>> *) one sample for the Peterson's algorithm 
>> *) one sample for the Dekker's algorithm 
>> I have translated the pseudo code implementations of the English wikipedia articles to Java.
>> I have also tried out those examples: they compile and they run without any problems.
>
> This PR seems to be missing the whole lot of fixes from the previous one. Please transplant the changes here.

So may I now write a comment with "slash integrate", @shipilev? ("slash" will be replaced by the character)
I am sorry that I must always ask you but I haven't done such PRs before and I want to avoid more confusion and mistakes.
Thanks for your great patience with me!

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PR: https://git.openjdk.java.net/jcstress/pull/84