RFR: 8353445: Open source several AWT Menu tests - Batch 1

[Tejesh R]

Open source these AWT Menu tests:

java/awt/Menu/MenuVisibilityTest/MenuVisibilityTest.java
java/awt/Menu/MenuActionEventTest/MenuActionEventTest.java
java/awt/Menu/RmInHideTest/RmInHideTest.java
java/awt/Menu/SetShortCutTest/SetShortCutTest.java

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Commit messages:
 - Open source

Changes: https://git.openjdk.org/jdk/pull/24649/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24649&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8353445
  Stats: 449 lines in 5 files changed: 449 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24649.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24649/head:pull/24649

PR: https://git.openjdk.org/jdk/pull/24649