RFR: 8344322: Improve capabilities of jpackage test lib to validate error output of jpackage

[Alexey Semenyuk]

Support using jpackage l10n keys instead of string values when examining jpackage error output.

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Commit messages:
 - Comment reworded
 - Merge branch 'master' into JDK-8343876.JPackageErrorOutputVerify
 - Remove redundant "method.setAccessible(true);" calls
 - Fix finding in the review
 - Minor cleanup
 - Merge branch 'master' into JDK-8343876
 - Use "validate" instead of "verify" for the new API
 - Don't run static test methods with test instances
 - Don't create intermediate set of expected test descs for very test class when building the total set of all test descs
 - Add test case to validate static test case will be executed only once in parameterized test
 - ... and 27 more: https://git.openjdk.org/jdk/compare/dfddbcaa...521e1fd5

Changes: https://git.openjdk.org/jdk/pull/22207/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22207&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8344322
  Stats: 229 lines in 5 files changed: 192 ins; 12 del; 25 mod
  Patch: https://git.openjdk.org/jdk/pull/22207.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22207/head:pull/22207

PR: https://git.openjdk.org/jdk/pull/22207