RFR: 8368692: Restrict Password::readPassword from reading from System.in [v3]

[Weijun Wang]

> A new security/system property added to determine whether Java can read password from `System.in` if a console is not available.

Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:

  more descriptive exception message

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Changes:
  - all: https://git.openjdk.org/jdk/pull/29490/files
  - new: https://git.openjdk.org/jdk/pull/29490/files/f01166a8..9e8dc773

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=29490&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=29490&range=01-02

  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/29490.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29490/head:pull/29490

PR: https://git.openjdk.org/jdk/pull/29490