RFR: 8295725: Update copyright header for files modified in 2022

[Ambarish Rapte]

Updating last modified year in copyright header of the files that were modified during year 2022.

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Commit messages:
 - copyright header year update

Changes: https://git.openjdk.org/jfx/pull/923/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=923&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8295725
  Stats: 84 lines in 84 files changed: 0 ins; 0 del; 84 mod
  Patch: https://git.openjdk.org/jfx/pull/923.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/923/head:pull/923

PR: https://git.openjdk.org/jfx/pull/923