RFR: 8327750: Convert javax/swing/JFileChooser/FileFilterDescription/FileFilterDescription.java applet test to main [v2]

[Prasanta Sadhukhan]

> Conversion of manual applet test to main based using PassFailJFrame manual framework

Prasanta Sadhukhan has updated the pull request incrementally with two additional commits since the last revision:

 - Review comment update
 - Review comment update

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18182/files
  - new: https://git.openjdk.org/jdk/pull/18182/files/3c0f1be9..7c2ce443

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18182&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18182&range=00-01

  Stats: 5 lines in 1 file changed: 1 ins; 2 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/18182.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18182/head:pull/18182

PR: https://git.openjdk.org/jdk/pull/18182