RFR: 8374391: Update the copyright year to 2025 in the remaining files under src/ where it was missed

[Alexey Ivanov]

On Tue, 30 Dec 2025 18:30:45 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> The copyright year in src/* files updated in 2025 has been bumped to 2025. This is the last PR for this task this year.
> 
> The next command can be run (on top of this PR) to verify that each file had prior commits in 2025:
> 
> `git diff origin/master --name-only | while read f; do git log origin/master --since="2025-01-01" --oneline -- "$f" | head -1 | grep -q . || echo "NOT IN 2025: $f"; done`

Marked as reviewed by aivanov (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/29008#pullrequestreview-3621060611