docs(android): Delete stale image and update description on File I/O integration page

[inventarSarah]

DESCRIBE YOUR PR

The outdated screenshot on the File I/O integration page shows a trace in the Sentry UI.
I deleted it since we explain how to view the trace (I also added a link to the Traces page)

Closes: #18089

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[github-actions]

⚠️ Redirect Chain Issues Detected

This PR introduces or contains redirect chains that degrade SEO and add latency.

Content Links Pointing to Redirects (2 found)

These links point to URLs that redirect. Update them to point directly to the final destination:

File	Line	Current Link	Should Be
platform-includes/llm-rules-logs/javascript.nextjs.mdx	3	/ai/agent-skills/	/ai/agent-plugin/
platform-includes/llm-rules-logs/javascript.nextjs.mdx	15	/ai/agent-skills/	/ai/agent-plugin/

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Each redirect hop loses ~15% of SEO link equity and adds latency for users.

[coolguyzone]

Good call 🫡