Few closed manual applet JFileChooser tests convereted to PassFailJFrame based manual test.
------------- Commit messages: - Applet test conerted to main manual and open sourced Changes: https://git.openjdk.org/jdk/pull/18447/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18447&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8328484 Stats: 442 lines in 3 files changed: 442 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/18447.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/18447/head:pull/18447 PR: https://git.openjdk.org/jdk/pull/18447
