Changes:
- Updated the delete-android-device, get-android-device,
issue-command-on-android-device, and modify-android-device actions to
return a `deviceNotFound` response to Fleet servers when the Android
management API returns a 404 response.
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## Summary by CodeRabbit
- **Bug Fixes**
- Improved Android device management error handling.
- Device deletion, retrieval, command issuance, and modification now
clearly report when the requested device cannot be found.
- Prevents missing devices from being reported as generic errors.
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