[crac] RFR: 8358161: [CRaC] Make VM-controlled options engine-dependent

[Timofei Pushkin]

"Configuration options controlled by the JVM: ..." section of `-XX:CRaCEngineOptions=help` will now only list the options which are supported by the current engine.

-------------

Commit messages:
 - Make VM-controlled options CRE-dependent

Changes: https://git.openjdk.org/crac/pull/235/files
  Webrev: https://webrevs.openjdk.org/?repo=crac&pr=235&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8358161
  Stats: 26 lines in 3 files changed: 15 ins; 6 del; 5 mod
  Patch: https://git.openjdk.org/crac/pull/235.diff
  Fetch: git fetch https://git.openjdk.org/crac.git pull/235/head:pull/235

PR: https://git.openjdk.org/crac/pull/235