RFR: 8354928: Clean up and open source some miscellaneous AWT tests [v4]

[Alexander Zuev]

> Clean up and open source some tests related to event processing in AWT library.

Alexander Zuev has updated the pull request incrementally with eight additional commits since the last revision:

 - Update test/jdk/java/awt/event/MouseWheelEvent/HWWheelScroll.java
   
   Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
 - Update test/jdk/java/awt/event/MouseWheelEvent/HWWheelScroll.java
   
   Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
 - Update test/jdk/java/awt/event/MouseWheelEvent/HWWheelScroll.java
   
   Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
 - Update test/jdk/java/awt/event/MouseWheelEvent/HWWheelScroll.java
   
   Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
 - Update test/jdk/java/awt/event/MouseWheelEvent/HWWheelScroll.java
   
   Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
 - Update test/jdk/java/awt/event/MouseWheelEvent/WheelEventCoord.java
   
   Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
 - Update test/jdk/java/awt/event/MouseWheelEvent/WheelScrollEnabled.java
   
   Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
 - Update test/jdk/java/awt/event/MouseWheelEvent/WheelEventCoord.java
   
   Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/24755/files
  - new: https://git.openjdk.org/jdk/pull/24755/files/fe71e17e..e210a092

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24755&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24755&range=02-03

  Stats: 8 lines in 3 files changed: 0 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jdk/pull/24755.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24755/head:pull/24755

PR: https://git.openjdk.org/jdk/pull/24755