RFR: 8306753: Open source several container AWT tests

[Alexander Zvegintsev]

Open source several container AWT tests

testing looks good.

-------------

Commit messages:
 - initial

Changes: https://git.openjdk.org/jdk/pull/13648/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13648&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8306753
  Stats: 814 lines in 4 files changed: 814 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/13648.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13648/head:pull/13648

PR: https://git.openjdk.org/jdk/pull/13648