RFR: 8341111: open source several AWT tests including menu shortcut tests [v2]

[Phil Race]

> Open source several AWT tests, mostly related to menu short cuts.

Phil Race has updated the pull request incrementally with one additional commit since the last revision:

  8341111

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Changes:
  - all: https://git.openjdk.org/jdk/pull/21291/files
  - new: https://git.openjdk.org/jdk/pull/21291/files/5df4d7cb..c8017cd7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21291&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21291&range=00-01

  Stats: 25 lines in 3 files changed: 0 ins; 7 del; 18 mod
  Patch: https://git.openjdk.org/jdk/pull/21291.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21291/head:pull/21291

PR: https://git.openjdk.org/jdk/pull/21291