RFR: 8357106: Add missing classpath exception copyright headers

[duke]

On Fri, 16 May 2025 07:04:04 GMT, Sorna Sarathi N <ssarathi at openjdk.org> wrote:

> This PR adds missing classpath exception

@Sorna-Sarathi 
Your change (at version 1b55b287f84d5cad1958aec440f3b499a874b04c) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk/pull/25261#issuecomment-2890316340