RFR: 8339883: Open source several AWT/2D related tests [v3]

[Phil Race]

> This open sources a few AWT/2D regression tests.

Phil Race has updated the pull request incrementally with one additional commit since the last revision:

  8339883

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Changes:
  - all: https://git.openjdk.org/jdk/pull/20977/files
  - new: https://git.openjdk.org/jdk/pull/20977/files/b951746e..f0877662

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20977&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20977&range=01-02

  Stats: 0 lines in 1 file changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/20977.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20977/head:pull/20977

PR: https://git.openjdk.org/jdk/pull/20977