[jdk17u-dev] RFR: 8361253: CommandLineOptionTest library should report observed values on failure

[Goetz Lindenmaier]

I backport this for parity with 17.0.18-oracle

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Commit messages:
 - Backport f153e415d740f4ede272929171e9bb3e73ddbe1c

Changes: https://git.openjdk.org/jdk17u-dev/pull/4032/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4032&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8361253
  Stats: 7 lines in 1 file changed: 3 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/4032.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/4032/head:pull/4032

PR: https://git.openjdk.org/jdk17u-dev/pull/4032