[jdk11u-dev] RFR: 8209920: runtime/logging/RedefineClasses.java fail with OOME with ZGC

[Goetz Lindenmaier]

I backport this test-only change for parity with 11.0.17-oracle.

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Depends on: https://git.openjdk.java.net/jdk11u-dev/pull/1087

Commit messages:
 - Backport f71d1cb124eb40067845653cb24a19a3ea545625

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/1088/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=1088&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8209920
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/1088.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/1088/head:pull/1088

PR: https://git.openjdk.java.net/jdk11u-dev/pull/1088