RFR: 8328384: Convert java/awt/FileDialog/FileDialogOpenDirTest test to main [v3]

[Alexander Zuev]

> Convert test to main manual;
> Move test to appropriate folder;
> Delete old files;

Alexander Zuev has updated the pull request incrementally with one additional commit since the last revision:

  Update test/jdk/java/awt/FileDialog/FileDialogOpenDirTest.java
  
  Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18361/files
  - new: https://git.openjdk.org/jdk/pull/18361/files/5b8216b0..9c9e8fbb

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18361&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18361&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/18361.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18361/head:pull/18361

PR: https://git.openjdk.org/jdk/pull/18361