RFR: 8263395: Incorrect use of Objects.nonNull

[Erik Gahlin]

Hi,

Could I have a review that changes incorrect use of Objects.nonNull to Objects.requireNonNull.

Testing: jdk/jdk/jfr

Thanks
Erik

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Commit messages:
 - Initial

Changes: https://git.openjdk.java.net/jdk/pull/3278/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3278&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8263395
  Stats: 6 lines in 3 files changed: 0 ins; 0 del; 6 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3278.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3278/head:pull/3278

PR: https://git.openjdk.java.net/jdk/pull/3278