[jdk21u] RFR: 8294535: Add screen capture functionality to PassFailJFrame

Tue Nov 7 20:22:29 UTC 2023

This pull request contains a backport of commit [dbb788f3](https://github.com/openjdk/jdk/commit/dbb788f34dbbe0aa5c8356fb4a5dc19b96787d25) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The patch applies cleanly.

It adds screenshot feature to `PassFailJFrame` which is used a manual test framework.  
It also adds builder pattern to simplify creating and configuring a `PassFailJFrame` instance.

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Commit messages:
 - Backport dbb788f34dbbe0aa5c8356fb4a5dc19b96787d25

Changes: https://git.openjdk.org/jdk21u/pull/335/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=335&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8294535
  Stats: 224 lines in 1 file changed: 219 ins; 1 del; 4 mod
  Patch: https://git.openjdk.org/jdk21u/pull/335.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/335/head:pull/335

PR: https://git.openjdk.org/jdk21u/pull/335