RFR: 8341935: javac states that -proc:full is the default but the default as of 23 is -proc:none [v2]

[Joe Darcy]

> Update javac man page is describe current behavior; includes updates discussed in CSR [JDK-8321319](https://bugs.openjdk.org/browse/JDK-8321319) that were not included in the man pages for JDK 23 GA.

Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:

  Respond to review feedback.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/22227/files
  - new: https://git.openjdk.org/jdk/pull/22227/files/af54db1e..846d63f9

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22227&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22227&range=00-01

  Stats: 9 lines in 1 file changed: 5 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/22227.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22227/head:pull/22227

PR: https://git.openjdk.org/jdk/pull/22227