RFR: 8321409: Console read line with zero out should zero out underlying buffer in JLine (redux)

[Naoto Sato]

This is an additional fix to JDK-8321131, where more clearing is required in JLine.

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Commit messages:
 - initial commit

Changes: https://git.openjdk.org/jdk/pull/17004/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17004&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8321409
  Stats: 12 lines in 3 files changed: 11 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/17004.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17004/head:pull/17004

PR: https://git.openjdk.org/jdk/pull/17004