[jdk18u] RFR: 8280956: Re-examine copyright headers on files in src/java.desktop/macosx/native/libawt_lwawt/awt/a11y

[Tyler Steele]

This PR backports classpath exceptions for several files. It has been backported to jdk17 already, and would be of benefit to jdk18 as well.

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Commit messages:
 - Backport fe547eacd71b4eb8119ecc7ca2d0bbe8e757f854

Changes: https://git.openjdk.java.net/jdk18u/pull/119/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk18u&pr=119&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8280956
  Stats: 78 lines in 26 files changed: 52 ins; 0 del; 26 mod
  Patch: https://git.openjdk.java.net/jdk18u/pull/119.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk18u pull/119/head:pull/119

PR: https://git.openjdk.java.net/jdk18u/pull/119