[jdk17u-dev] RFR: 8331077: nroff man page update for jar tool

[Matthias Baesken]

Backport of 8331077

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Commit messages:
 - Backport c21672d8c94da6aa613174744ceaa945ca2a474a

Changes: https://git.openjdk.org/jdk17u-dev/pull/2748/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2748&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8331077
  Stats: 9 lines in 1 file changed: 8 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2748.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2748/head:pull/2748

PR: https://git.openjdk.org/jdk17u-dev/pull/2748