RFR: 7417: Fix incorrect identifier in result for biased locking revocation rule [v2]

[mohno007]

> This PR fixes a wrong placeholder in `BiasedLockingRevocationRule_TEXT_REVOKED_CLASSES_FOUND_LONG`.
> 
> `BiasedLockingRevocationRule.java` used `{revokedClasses}` for placeholder identifier but `messages.properties` used `{revokedTypes}`.

mohno007 has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:

 - Update copyright year
 - Fix wrong placeholder in BiasedLockingRevocationRule

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Changes: https://git.openjdk.java.net/jmc/pull/309/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jmc&pr=309&range=01
  Stats: 6 lines in 2 files changed: 0 ins; 0 del; 6 mod
  Patch: https://git.openjdk.java.net/jmc/pull/309.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/309/head:pull/309

PR: https://git.openjdk.java.net/jmc/pull/309