Document Android developer updates for 2025

[Kvnbbg]

Summary

• add a 2025 Android developer readiness briefing covering AI tooling, platform behaviors, UI updates, and security policies
• link the main README "Learn More" section to the new briefing for easy discovery

Testing

• Not run (documentation-only change)

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https://chatgpt.com/codex/tasks/task_e_6900f8bc79ec832ab6254b399e2bfe5b

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Guard generateSecureToken against web platforms lacking Random.secure

The token generation now stores a Random.secure() instance in a static field. On Dart/Flutter web targets Random.secure() is unimplemented and throws UnsupportedError, so any web build that calls InputValidator.generateSecureToken() (e.g., CSRF fallback or salt generation) will crash instead of producing a token. If this validator is shared with web clients, authentication flows break outright. Provide a platform-aware fallback or defer to Random()/crypto APIs when Random.secure is unavailable.

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[openhands-ai]

Looks like there are a few issues preventing this PR from being merged!

• GitHub Actions are failing:
  • Vision Week CI
  • Automatic Dependency Submission (Gradle)
  • Automatic Dependency Submission (Gradle)

If you'd like me to help, just leave a comment, like

@OpenHands please fix the failing actions on PR #13 at branch `codex/refine-code-review-scope-and-strategy-jonz14`

Feel free to include any additional details that might help me get this PR into a better state.

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