[jdk17u-dev] RFR: 8306134: Open source some AWT tests relating to Button and a few other classes

[Goetz Lindenmaier]

I backport this for parity with 17.0.9-oracle.

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Commit messages:
 - Backport fdb4bafa3142cedeb9eb3cb930890e97b35402de

Changes: https://git.openjdk.org/jdk17u-dev/pull/1510/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1510&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8306134
  Stats: 739 lines in 6 files changed: 739 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1510.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1510/head:pull/1510

PR: https://git.openjdk.org/jdk17u-dev/pull/1510