RFR: 8327790: Improve javadoc for ResolvedJavaType.hasFinalizableSubclass [v2]

[Doug Simon]

> This PR fixes and clarifies the javadoc for `ResolvedJavaType.hasFinalizableSubclass()`.

Doug Simon has updated the pull request incrementally with one additional commit since the last revision:

  update year

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18192/files
  - new: https://git.openjdk.org/jdk/pull/18192/files/0df2978b..241c9b9c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18192&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18192&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/18192.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18192/head:pull/18192

PR: https://git.openjdk.org/jdk/pull/18192