RFR: 8328386: Convert java/awt/FileDialog/FileNameOverrideTest test to main [v4]

[Alexander Zuev]

> Convert applet based test to a main based test;
> Move test to an apporpriate location;
> Remove old files;

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

  Update test/jdk/java/awt/FileDialog/FileNameOverrideTest.java
  
  Co-authored-by: Aleksandr Zvegintsev <77687766+azvegint at users.noreply.github.com>

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18365/files
  - new: https://git.openjdk.org/jdk/pull/18365/files/5a52b8ef..24f7912d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18365&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18365&range=02-03

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/18365.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18365/head:pull/18365

PR: https://git.openjdk.org/jdk/pull/18365