[jdk17u-dev] RFR: 8328380: Remove applet usage from JColorChooser tests Test6348456

[Goetz Lindenmaier]

I backport this for parity with 17.0.15-oracle.

-------------

Commit messages:
 - Backport 78d1b9046830198cd61c505f04f245a430878a5b

Changes: https://git.openjdk.org/jdk17u-dev/pull/3116/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3116&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328380
  Stats: 93 lines in 2 files changed: 37 ins; 45 del; 11 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3116.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3116/head:pull/3116

PR: https://git.openjdk.org/jdk17u-dev/pull/3116