RFR: 8355319: Update Manpage for Compact Object Headers (Production) [v2]

[Roman Kennke]

> Adds an entry for -XX:+UseCompactObjectHeaders in the manpage for the java command, under 'Advanced runtime options'.

Roman Kennke has updated the pull request incrementally with one additional commit since the last revision:

  Move text down and add a note about future plans to enable by default

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Changes:
  - all: https://git.openjdk.org/jdk/pull/25491/files
  - new: https://git.openjdk.org/jdk/pull/25491/files/d189f600..3ffeaaee

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25491&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25491&range=00-01

  Stats: 14 lines in 1 file changed: 9 ins; 5 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/25491.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25491/head:pull/25491

PR: https://git.openjdk.org/jdk/pull/25491