RFR: 8373913: Refactor serialization tests to use JUnit

[Roger Riggs]

Refactor serialization tests to use JUnit.
Automated conversion for most annotations.
Conditional tests are refactored to use JUnit Enable/DisableIf.

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Commit messages:
 - JDK-8373913: Refactor serialization tests tests to use JUnit

Changes: https://git.openjdk.org/jdk/pull/28877/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28877&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8373913
  Stats: 406 lines in 12 files changed: 96 ins; 62 del; 248 mod
  Patch: https://git.openjdk.org/jdk/pull/28877.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28877/head:pull/28877

PR: https://git.openjdk.org/jdk/pull/28877