RFR: 8314834: serviceability/jdwp/AllModulesCommandTest.java ignores VM flags

[Leonid Mesnik]

The test is fixed to start debuggee with tested VM options.
Verified with tier1, running svc tests with different vm flags and virtual thread.

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Commit messages:
 - 8314834: serviceability/jdwp/AllModulesCommandTest.java ignores VM flags

Changes: https://git.openjdk.org/jdk/pull/15457/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15457&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8314834
  Stats: 31 lines in 1 file changed: 3 ins; 26 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/15457.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15457/head:pull/15457

PR: https://git.openjdk.org/jdk/pull/15457