RFR: 8340621: Open source several AWT List tests [v2]

[Prasanta Sadhukhan]

> Opensource few AWT List tests

Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:

  spacing

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Changes:
  - all: https://git.openjdk.org/jdk/pull/21202/files
  - new: https://git.openjdk.org/jdk/pull/21202/files/156e2e7d..5ced7942

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21202&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21202&range=00-01

  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/21202.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21202/head:pull/21202

PR: https://git.openjdk.org/jdk/pull/21202