RFR: 8306634: Open source AWT Event related tests [v2]

[Harshitha Onkar]

> This PR open sources few AWT Event related tests.

Harshitha Onkar has updated the pull request incrementally with one additional commit since the last revision:

  moved frame to center

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Changes:
  - all: https://git.openjdk.org/jdk/pull/13590/files
  - new: https://git.openjdk.org/jdk/pull/13590/files/524f26a9..3fe4e764

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=13590&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13590&range=00-01

  Stats: 10 lines in 1 file changed: 7 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/13590.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13590/head:pull/13590

PR: https://git.openjdk.org/jdk/pull/13590