[jdk17u] RFR: 8273450: Fix the copyright header of SVML files

[Sandhya Viswanathan]

Clean backport to fix copyright header of files. 

Best Regards,
Sandhya

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Commit messages:
 - Backport d7efd0e8cf14c732427d2c1363b60278bebdc06a

Changes: https://git.openjdk.java.net/jdk17u/pull/241/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u&pr=241&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8273450
  Stats: 288 lines in 72 files changed: 144 ins; 0 del; 144 mod
  Patch: https://git.openjdk.java.net/jdk17u/pull/241.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u pull/241/head:pull/241

PR: https://git.openjdk.java.net/jdk17u/pull/241