RFR: 8299187: Ensure safe publication of name in ByteOrder

[Per Minborg]

This PR proposes to declare the field  `ByteOrder.name` `final`. 

This will ensure the class is thread safe and is using safe publication.

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Commit messages:
 - Declare field name final

Changes: https://git.openjdk.org/jdk/pull/11752/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11752&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8299187
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/11752.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11752/head:pull/11752

PR: https://git.openjdk.org/jdk/pull/11752