[jdk11u-dev] RFR: 8263382: java/util/logging/ParentLoggersTest.java failed with "checkLoggers: getLoggerNames() returned unexpected loggers"

[Zhengyu Gu]

I would like to backport this patch to openjdk11u for parity with Oracle 11.0.13.

The original patch applies cleanly and test passed.

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Commit messages:
 - Backport 08a5a5c6d64db51700d058954d115aa89dbe73be

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/55/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=55&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8263382
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/55.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/55/head:pull/55

PR: https://git.openjdk.java.net/jdk11u-dev/pull/55