[jdk17u-dev] RFR: 8353958: Open source several AWT ScrollPane tests - Batch 2

[Satyen Subramaniam]

Backporting JDK-8353958: Open source several AWT ScrollPane tests - Batch 2. Adds five scroll tests. Ran GHA Sanity Checks, local Tier 1 and 2, and new tests directly. Patch is clean. Backporting for parity with Oracle.

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Commit messages:
 - Backport e00355a036936c5290cf8d85fd3c4f743b0ad23a

Changes: https://git.openjdk.org/jdk17u-dev/pull/4000/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4000&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8353958
  Stats: 517 lines in 6 files changed: 517 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/4000.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/4000/head:pull/4000

PR: https://git.openjdk.org/jdk17u-dev/pull/4000