[jdk21u-dev] RFR: 8340084: Open source AWT Frame related tests

[Goetz Lindenmaier]

I backport this for parity with 21.0.8-oracle

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Commit messages:
 - Backport bc7c0dc45dcd66d24ece8ebbd5c1b25e131eae67

Changes: https://git.openjdk.org/jdk21u-dev/pull/1607/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1607&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8340084
  Stats: 393 lines in 5 files changed: 393 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1607.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1607/head:pull/1607

PR: https://git.openjdk.org/jdk21u-dev/pull/1607