RFR: 8332494: java/util/zip/EntryCount64k.java failing with java.lang.RuntimeException: '\\A\\Z' missing from stderr

[Axel Boldt-Christmas]

Improve `java/util/zip/EntryCount64k.java` stderr parsing by ignoring deprecated warnings. Testing non-generational ZGC requires the use of a deprecated option.

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Commit messages:
 - 8332494: java/util/zip/EntryCount64k.java failing with java.lang.RuntimeException: '\\A\\Z' missing from stderr

Changes: https://git.openjdk.org/jdk/pull/19297/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19297&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8332494
  Stats: 20 lines in 2 files changed: 18 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/19297.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19297/head:pull/19297

PR: https://git.openjdk.org/jdk/pull/19297