[jdk21u-dev] RFR: 8359477: com/sun/net/httpserver/Test12.java appears to have a temp file race

[Goetz Lindenmaier]

I backport this for parity with 21.0.10-oracle

Resolved Copyright.

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Commit messages:
 - backport e1681c48287bcce6c8f617d9c0c25354dd62870a

Changes: https://git.openjdk.org/jdk21u-dev/pull/2330/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2330&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8359477
  Stats: 152 lines in 2 files changed: 46 ins; 68 del; 38 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2330.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2330/head:pull/2330

PR: https://git.openjdk.org/jdk21u-dev/pull/2330