[jdk11u-dev] RFR: 8315663: Open source misc awt tests

[Andrew Lu]

I backport this for parity with 11.0.24-oracle.

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Commit messages:
 - Backport a36f5a54ab4871739f2ccbabb684942fc3cadf20

Changes: https://git.openjdk.org/jdk11u-dev/pull/2611/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2611&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8315663
  Stats: 263 lines in 3 files changed: 263 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2611.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2611/head:pull/2611

PR: https://git.openjdk.org/jdk11u-dev/pull/2611