RFR: 8353070: Clean up and open source couple AWT Graphics related tests (Part 1)

[Alexander Zuev]

Clean up and open source four tests, two manual and two automatic tests now.

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Commit messages:
 - 8353070: Clean up and open source couple AWT Graphics related tests (Part 1)

Changes: https://git.openjdk.org/jdk/pull/24472/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24472&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8353070
  Stats: 407 lines in 4 files changed: 407 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24472.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24472/head:pull/24472

PR: https://git.openjdk.org/jdk/pull/24472