[jdk17u-dev] RFR: 8287541: Files.writeString fails to throw IOException for charset "windows-1252"

[Goetz Lindenmaier]

I backport this along with a row of related issues of 17.0.8-oracle.

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Commit messages:
 - Backport 6fb84e2c9119bdb9c66dd49422bcab637bbd4008

Changes: https://git.openjdk.org/jdk17u-dev/pull/1222/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1222&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8287541
  Stats: 22 lines in 2 files changed: 4 ins; 11 del; 7 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1222.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1222/head:pull/1222

PR: https://git.openjdk.org/jdk17u-dev/pull/1222