RFR: 8341298: Open source more AWT window tests [v2]

[Jayathirth D V]

> Clean up and open source more of the AWT window tests.

Jayathirth D V has updated the pull request incrementally with one additional commit since the last revision:

  Add headful tag in PopupProxyCrash Test

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Changes:
  - all: https://git.openjdk.org/jdk/pull/21348/files
  - new: https://git.openjdk.org/jdk/pull/21348/files/01836e1f..3a8ac551

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21348&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21348&range=00-01

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21348.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21348/head:pull/21348

PR: https://git.openjdk.org/jdk/pull/21348