[jdk11u-dev] RFR: 8207936: TestZipFile failed with java.lang.AssertionError exception

[Martin Doerr]

Clean Backport of JDK-8207936.

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Commit messages:
 - Backport 65455ff60b4f33996c698029e0b2cff65c7f45f5

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/535/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=535&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8207936
  Stats: 64 lines in 1 file changed: 10 ins; 21 del; 33 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/535.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/535/head:pull/535

PR: https://git.openjdk.java.net/jdk11u-dev/pull/535