RFR: 8344821: Test CheckDefaultArchiveFile.java fails if classes_coh.jsa is not present

[Calvin Cheung]

JDK image built by Oracle does not include the CDS archives for compact object headers. This fix throws a SkippedException if UseCompactObjectHeaders is enabled and the default CDS archive for COH is not present.

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Commit messages:
 - 8344821: Test CheckDefaultArchiveFile.java fails if classes_coh.jsa is not present

Changes: https://git.openjdk.org/jdk/pull/22374/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22374&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8344821
  Stats: 12 lines in 1 file changed: 7 ins; 1 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/22374.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22374/head:pull/22374

PR: https://git.openjdk.org/jdk/pull/22374