[jdk11u-dev] RFR: 8229333: java/io/File/SetLastModified.java timed out

[Goetz Lindenmaier]

I backport this for parity with 11.0.20-oracle.

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Commit messages:
 - Backport 17c057bd7677f9d72d53fbfb40fa9062c9906e91

Changes: https://git.openjdk.org/jdk11u-dev/pull/1958/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1958&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8229333
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1958.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/1958/head:pull/1958

PR: https://git.openjdk.org/jdk11u-dev/pull/1958