RFR: 8330276: Console methods with explicit Locale [v6]

[Naoto Sato]

> Proposing new overloaded methods in `java.io.Console` class that explicitly take a `Locale` argument. Existing methods rely on the default locale, so the users won't be able to format their prompts/outputs in a certain locale explicitly.

Naoto Sato has updated the pull request incrementally with one additional commit since the last revision:

  Adding workaround to the test due to JLine's questionable behavior

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18923/files
  - new: https://git.openjdk.org/jdk/pull/18923/files/6fd17574..cace6171

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18923&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18923&range=04-05

  Stats: 6 lines in 1 file changed: 5 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/18923.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18923/head:pull/18923

PR: https://git.openjdk.org/jdk/pull/18923