* Mention `dotnet-dsrouter android`

dotnet/diagnostics#4337

Was fixed by .NET 8 GA, so we can remove the section mentioning it.

* Mention the relationship between the `debug.mono.profile` Android
  system property and `$DOTNET_DiagnosticPorts`.

* Mention `suspend` vs `nosuspend`.

* Mention `libmono-component-diagnostics_tracing.so` and the Mono
  diagnostic component.

These all came up from conversations with customers, so I think it
will be useful for anyone.