[jdk11u-dev] RFR: 8306682: Open source a few more AWT Choice tests

[Goetz Lindenmaier]

I backport this for parity with 11.0.21-oracle.

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Commit messages:
 - Backport f39641ccbd670853b3c021dd4e490151cbc77ed6

Changes: https://git.openjdk.org/jdk11u-dev/pull/2010/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2010&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8306682
  Stats: 535 lines in 4 files changed: 535 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2010.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2010/head:pull/2010

PR: https://git.openjdk.org/jdk11u-dev/pull/2010