RFR: 8171432: (fs) WindowsWatchService.Poller::run does not call ReadDirectoryChangesW after a ERROR_NOTIFY_ENUM_DIR

[Brian Burkhalter]

Call `ReadDirectoryChangesW` in `WindowsWatchService::Poller.run` if the `ERROR_NOTIFY_ENUM_DIR` error occurs.

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Commit messages:
 - 8171432: (fs) WindowsWatchService.Poller::run does not call ReadDirectoryChangesW after a ERROR_NOTIFY_ENUM_DIR

Changes: https://git.openjdk.org/jdk/pull/28620/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28620&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8171432
  Stats: 11 lines in 1 file changed: 2 ins; 1 del; 8 mod
  Patch: https://git.openjdk.org/jdk/pull/28620.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28620/head:pull/28620

PR: https://git.openjdk.org/jdk/pull/28620