RFR: 8306927: Collator treats "v" and "w" as the same letter for Swedish language locale.

[Naoto Sato]

Updating the collation rules for Swedish to the modern one, which is aligned with the CLDR's default collation rules. Since it is changing the existing behavior, a release note has also been drafted: https://bugs.openjdk.org/browse/JDK-8306948

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Commit messages:
 - Added a test, copyright year
 - 8306927: Collator treats "v" and "w" as the same letter for Swedish language locale.

Changes: https://git.openjdk.org/jdk/pull/13677/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13677&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8306927
  Stats: 50 lines in 2 files changed: 45 ins; 4 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/13677.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13677/head:pull/13677

PR: https://git.openjdk.org/jdk/pull/13677