RFR: 8288589: Files.readString ignores encoding errors for UTF-16

Thu Jun 23 16:23:12 UTC 2022

Hi all,

This pull request contains a backport of commit [2728770e](https://urldefense.com/v3/__https://github.com/openjdk/jdk/commit/2728770e3d73bb11c4d6e54b5aff91588a1a780b__;!!ACWV5N9M2RV99hQ!N3mEnVUKBkymH2i4wvdNdT17pAtXF6773dQA7XG_uBo8CmAZNuaRhs6MMY2TvgGZ6WI7Xst8ex_Eul_yWGyTcg$ ) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Naoto Sato on 23 Jun 2022 and was reviewed by Roger Riggs, Iris Clark and Alan Bateman.

Thanks!

-------------

Commit messages:
 - Backport 2728770e3d73bb11c4d6e54b5aff91588a1a780b

Changes: https://git.openjdk.org/jdk19/pull/61/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk19&pr=61&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8288589
  Stats: 231 lines in 4 files changed: 143 ins; 68 del; 20 mod
  Patch: https://git.openjdk.org/jdk19/pull/61.diff
  Fetch: git fetch https://git.openjdk.org/jdk19 pull/61/head:pull/61

PR: https://git.openjdk.org/jdk19/pull/61