[jdk26] RFR: 8374555: No need for visible input warning in s.s.u.Password when not reading from System.in

[Weijun Wang]

8374555: No need for visible input warning in s.s.u.Password when not reading from System.in

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Commit messages:
 - Backport fbc59ac0a1248066e9fbcfde3bd6a8eb4d60992c

Changes: https://git.openjdk.org/jdk/pull/29073/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=29073&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8374555
  Stats: 80 lines in 2 files changed: 78 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/29073.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29073/head:pull/29073

PR: https://git.openjdk.org/jdk/pull/29073