andr(example): Prototype a Webview instrumenter

[murki]

Example of how an android class that instruments webviews could look in our SDK.

Usage:

val webView = view.findViewById<WebView>(R.id.webView)
// Instrument the WebView with bitdrift capture
WebViewCapture.instrument(webView)
webView.loadUrl("https://bitdrift.io/")

Right now it only instruments basic webview.pageLoad events, handling success, and 2 types of errors: connection and http. It models these as a Span with duration, result, etc. Example session: https://timeline.bitdrift.dev/session/3f56ba04-ee59-4ba4-a651-13aeb615b22c?utm_source=sdk&utilization=0&s=logType...is...Span&expanded=3927384652037360634&sf=true

If/when we decide to include this we'd just need to move the WebViewCapture into our SDK module.

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• CHANGELOG.md's "Unreleased" section has been updated, if applicable.

[github-actions]

Size Comparison Report (x86_64)

Metric	APK (KB)	SO (KB)
Baseline	3374	1252
Current	3374	1252
Difference	0	0

APK size unchanged. SO size unchanged.