[jdk17u-dev] RFR: 8327838: Convert java/awt/FileDialog/MultipleMode/MultipleMode.html applet test to main

[Goetz Lindenmaier]

I backport this for parity with 17.0.17-oracle.

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Commit messages:
 - Backport 30249c4cca51dccd24d5f8f58c7a34c27948a295

Changes: https://git.openjdk.org/jdk17u-dev/pull/3777/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3777&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8327838
  Stats: 438 lines in 3 files changed: 106 ins; 332 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3777.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3777/head:pull/3777

PR: https://git.openjdk.org/jdk17u-dev/pull/3777