[jdk17u-dev] RFR: 8279641: Create manual JTReg tests for Swing accessibility

[Amos Shi]

Backport of [JDK-8279641](https://bugs.openjdk.org/browse/JDK-8279641)

Testing
- Local: Not applicable
  - `test/jdk/javax/accessibility/manual` - Test results: no tests selected
- Pipeline: 
- Testing Machine:

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Commit messages:
 - Backport 5523ddebd572f38c3f960950d114ffead33266ae

Changes: https://git.openjdk.org/jdk17u-dev/pull/2773/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2773&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8279641
  Stats: 1410 lines in 35 files changed: 1410 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2773.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2773/head:pull/2773

PR: https://git.openjdk.org/jdk17u-dev/pull/2773