RFR: 8306452: Fix Amazon copyright in JDK-8305425 test

[Aleksey Shipilev]

Someone^W I did commit a test in the OpenJDK repo that has Amazon copyright notice in the form that is not inline with the preferred one (intentionally without copyright year):

"Copyright Amazon.com Inc. or its affiliates. All Rights Reserved."

These should be fixed.

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Commit messages:
 - Fix

Changes: https://git.openjdk.org/jdk/pull/13534/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13534&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8306452
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/13534.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13534/head:pull/13534

PR: https://git.openjdk.org/jdk/pull/13534