RFR: 8374320: Update copyright year to 2025 for java.net.http in files where it was missed

[Alan Bateman]

On Wed, 24 Dec 2025 02:05:28 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> The copyright year in "java.net.http" files updated in 2025 has been bumped to 2025. All files are updated which touched the src/java.net.http and related files.
> 
> The next command can be run (on top of this PR) to verify that each file had prior commits in 2025:
> 
> `
> git diff HEAD~1 --name-only | while read f; do git log HEAD~1 --since="2025-01-01" --oneline -- "$f" | head -1 | grep -q . || echo "NOT IN 2025: $f"; done `

I checked the http3 branch in the sandbox and several of these files had their last change in 2024, not 2025. When JEP 517 integrated then it might appear that they were created in 2025 even though they have exited in the http3 branch for longer than that.

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PR Comment: https://git.openjdk.org/jdk/pull/28973#issuecomment-3688873806