[jdk21u-dev] RFR: 8328401: Convert java/awt/Frame/InitialMaximizedTest/InitialMaximizedTest.html applet test to automated

[Goetz Lindenmaier]

I backport this for parity with 21.0.9-oracle

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Commit messages:
 - Backport 700d2b91defd421a2818f53830c24f70d11ba4f6

Changes: https://git.openjdk.org/jdk21u-dev/pull/2065/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2065&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328401
  Stats: 244 lines in 2 files changed: 18 ins; 176 del; 50 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2065.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2065/head:pull/2065

PR: https://git.openjdk.org/jdk21u-dev/pull/2065