[jdk17u-dev] RFR: 8346871: Improve robustness of java/util/zip/EntryCount64k.java test

[Goetz Lindenmaier]

I backport this for parity with 17.0.17-oracle.

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Depends on: https://git.openjdk.org/jdk17u-dev/pull/3649

Commit messages:
 - Backport 24c5ff7ba58cb7cf93df07f81484cd8fae60e31e

Changes: https://git.openjdk.org/jdk17u-dev/pull/3651/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3651&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8346871
  Stats: 9 lines in 1 file changed: 7 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3651.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3651/head:pull/3651

PR: https://git.openjdk.org/jdk17u-dev/pull/3651