RFR: 8333427: langtools/tools/javac/newlines/NewLineTest.java is failing on Japanese Windows [v2]

[KIRIYAMA Takuya]

> I fixed to get Charset from native.encoding instead of Charset.defaultCharset() when reading a file to which the output of javac run in the test was redirected.
> The modified code is based on the alternatives given in JEP400.
> I verified that the test passed on Windows in both Japanese and English locales with this fix.

KIRIYAMA Takuya has updated the pull request incrementally with one additional commit since the last revision:

  Update full name

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Changes:
  - all: https://git.openjdk.org/jdk/pull/19519/files
  - new: https://git.openjdk.org/jdk/pull/19519/files/3f2a5e2f..c6ee9e0e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19519&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19519&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/19519.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19519/head:pull/19519

PR: https://git.openjdk.org/jdk/pull/19519