[jdk17u-dev] RFR: 8271887: mark hotspot runtime/CDSCompressedKPtrs tests which ignore external VM flags

[Goetz Lindenmaier]

I backport this for parity with 17.0.10-oracle.

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Commit messages:
 - Backport a3b01439701c1e01f9095a51b4f1048282956623

Changes: https://git.openjdk.org/jdk17u-dev/pull/1811/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1811&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8271887
  Stats: 4 lines in 2 files changed: 2 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1811.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1811/head:pull/1811

PR: https://git.openjdk.org/jdk17u-dev/pull/1811