RFR: 8328121: Remove applet usage from JColorChooser tests Test4759306

[Alisen Chung]

Removing applet usage from manual JColorChooser tests

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Commit messages:
 - init commit

Changes: https://git.openjdk.org/jdk/pull/18286/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18286&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328121
  Stats: 61 lines in 2 files changed: 20 ins; 36 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/18286.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18286/head:pull/18286

PR: https://git.openjdk.org/jdk/pull/18286