RFR: 8328368: Convert java/awt/image/multiresolution/MultiDisplayTest/MultiDisplayTest.java applet test to main

[Damon Nguyen]

Convert java/awt/image/multiresolution/MultiDisplayTest/MultiDisplayTest.java applet test to main using PassFailJFrame

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Commit messages:
 - Move test out. Remove extra directory
 - Resize instructions
 - Initial test conversion

Changes: https://git.openjdk.org/jdk/pull/18354/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18354&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328368
  Stats: 391 lines in 3 files changed: 184 ins; 207 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/18354.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18354/head:pull/18354

PR: https://git.openjdk.org/jdk/pull/18354