Network requests support for Android

[marandaneto]

Description

Relates to https://github.com/PostHog/posthog.com/pull/9927/files
iOS can swizzle the URLSession requests.
Android uses the Java APIs and we don't have access to the instance so we could intercept and log things.
An alternative is bytecode manipulation.
Another option is to instead write a fetch wrapper so we capture the info directly on the JS code.