RFR: 8335727: since-checker: Add `@since` tags to ClassFile::transformClass and CodeBuilder

Thu Jul 4 18:09:48 UTC 2024

Please review this simple doc only change.
Some methods in ClassFile API were renamed recently as part of [JDK-8335290](https://bugs.openjdk.org/browse/JDK-8335290) and [JDK-8335110](https://bugs.openjdk.org/browse/JDK-8335110) and need to have `@since 24`, as they are essentially new methods.

Thanks!

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Commit messages:
 - add `@since` tags to ClassFile API

Changes: https://git.openjdk.org/jdk/pull/20041/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20041&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8335727
  Stats: 8 lines in 2 files changed: 8 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/20041.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20041/head:pull/20041

PR: https://git.openjdk.org/jdk/pull/20041