[cDAC] Add 'cDAC' stress mode

[max-charlamb]

• Add option to verify cDAC stackwalking/gc references
• Some stressed mode for (checked) runtime builds to capture the address of GC refs on the stack and ask the cDAC if it matches
  • cDAC should be hosted in proc and called to verify.

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[max-charlamb]

Completed as part of: #128872 #125505 #129769