Switch CI Device tests to DeviceRunner

[shai-almog]

Summary

• configure the Android build to generate DeviceRunner UI tests and update test properties
• update the iOS build and simulator pipeline to execute the DeviceRunner suite and harvest CN1SS screenshots
• ship concrete DeviceRunner sample sources under scripts/device-runner-app and remove the template substitution layer

Testing

• not run (platform tooling unavailable in container)

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https://chatgpt.com/codex/tasks/task_e_6903a70e28c48331a10a52b46ee96c7f

[shai-almog]

Android screenshot updates

• BrowserComponent — updated screenshot. Screenshot differs (320x616 px, bit depth 8).

  
  Preview info: JPEG preview quality 70; JPEG preview quality 70.
  Full-resolution PNG saved as BrowserComponent.png in workflow artifacts.

• MainActivity — updated screenshot. Screenshot differs (320x616 px, bit depth 8).

  
  Preview info: JPEG preview quality 70; JPEG preview quality 70.
  Full-resolution PNG saved as MainActivity.png in workflow artifacts.

[shai-almog]

iOS screenshot updates

• BrowserComponent — missing reference. Reference screenshot missing at /Users/runner/work/CodenameOne/CodenameOne/scripts/ios/screenshots/BrowserComponent.png.

  
  Preview info: Preview provided by instrumentation.
  Full-resolution PNG saved as BrowserComponent.png in workflow artifacts.

• MainActivity — missing reference. Reference screenshot missing at /Users/runner/work/CodenameOne/CodenameOne/scripts/ios/screenshots/MainActivity.png.

  
  Preview info: Preview provided by instrumentation.
  Full-resolution PNG saved as MainActivity.png in workflow artifacts.