Improve Android and Linux accessibility reliability

[jkelleyrtp]

Summary

Add a shared persistent Android UiAutomation dump server with ADB sync push/stream support, reducing repeated hierarchy reads from process-startup latency to a long-lived request/response path while retaining the classic dump fallback.

Expose platform-native node identities and checked state, use physical display bounds for Android interaction coordinates, and make the Linux AT-SPI backend handle WebKit plug grafts, stalled subtrees, action-interface quirks, focused-window discovery, and synthesized context-menu actions more reliably.

Link to Devin session: https://dioxus.staging.devinenterprise.com/sessions/24e2f08e99ac4d9f912b1839516e9c32
Open in Devin Desktop: https://dioxus.staging.devinenterprise.com/desktop/session/24e2f08e99ac4d9f912b1839516e9c32?variant=devin-insiders
Requested by: @jkelleyrtp

[staging-devin-ai-integration]

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