[jdk11u-dev] RFR: 8174819: java/nio/file/WatchService/LotsOfEvents.java fails intermittently

[Goetz Lindenmaier]

I backport this for 11.0.15-oracle parity

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Commit messages:
 - Backport 633eab23f0c5cadac06e37b9d6eeef5696ca3d22

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/616/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=616&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8174819
  Stats: 13 lines in 1 file changed: 10 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/616.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/616/head:pull/616

PR: https://git.openjdk.java.net/jdk11u-dev/pull/616