[jdk11u-dev] RFR: 8315034: File.mkdirs() occasionally fails to create folders on Windows shared folder

[Goetz Lindenmaier]

I backport this for parity with 11.0.23-oracle.

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Commit messages:
 - Backport 7ad700596fbc58c27fedfa46755e80ea57712fac

Changes: https://git.openjdk.org/jdk11u-dev/pull/2489/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2489&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8315034
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2489.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2489/head:pull/2489

PR: https://git.openjdk.org/jdk11u-dev/pull/2489