RFR: 8328385: Convert java/awt/FileDialog/FileDialogReturnTest test to main [v2]

[Alexander Zuev]

> Convert test to a main method based;
> Move test to an apropriate location;
> Remove old files;

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

  Adding library and build clauses

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18363/files
  - new: https://git.openjdk.org/jdk/pull/18363/files/77f37032..9c5554f7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18363&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18363&range=00-01

  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/18363.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18363/head:pull/18363

PR: https://git.openjdk.org/jdk/pull/18363