[jdk21u-dev] RFR: 8353470: Clean up and open source couple AWT Graphics related tests (Part 2)

[Satyen Subramaniam]

Backporting JDK-8353470: Clean up and open source couple AWT Graphics related tests (Part 2). Adding four graphics tests. Ran GHA Sanity Checks and new tests directly. Patch is clean. Backporting for parity with Oracle.

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Commit messages:
 - Backport 8270cd0ad2e0df72f063f36853328a935595f71f

Changes: https://git.openjdk.org/jdk21u-dev/pull/2326/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2326&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8353470
  Stats: 606 lines in 5 files changed: 606 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2326.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2326/head:pull/2326

PR: https://git.openjdk.org/jdk21u-dev/pull/2326