RFR: 8314832: Few runtime/os tests ignore vm flags [v2]

[Mikhailo Seledtsov]

> 8314832: Few runtime/os tests ignore vm flags

Mikhailo Seledtsov has updated the pull request incrementally with one additional commit since the last revision:

  Addressing review feedback

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15647/files
  - new: https://git.openjdk.org/jdk/pull/15647/files/3f3ed3f3..50bbfc58

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15647&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15647&range=00-01

  Stats: 4 lines in 1 file changed: 2 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/15647.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15647/head:pull/15647

PR: https://git.openjdk.org/jdk/pull/15647