7903655: jcstress: Support StressMacroExpansion stress option

[shipilev]

JDK-8317349 added a new randomization option for C2, we would like to take it for jcstress, like other C2 stress options.

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Progress

• Change must not contain extraneous whitespace
• Change must be properly reviewed (1 review required, with at least 1 Committer)

Issue

• CODETOOLS-7903655: jcstress: Support StressMacroExpansion stress option (Enhancement - P4)

Reviewing

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$ git pr checkout 145

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