Merge "Use getBoundURL for network validation." into lmp-dev

        int httpResponseCode = 599;

        try {

            URL url = new URL(urlString);

            // TODO: check that standard HttpURLConnection doesn't choke on

            // cruel and unusual captive portals, and then replace the

            // hand-rolled HTTP code in the else branch with this code.

            if (false) {

                // TODO: Need to add URLConnection.setNetwork() before we can enable.

                url = mNetworkAgentInfo.network.getBoundURL(url);

                urlConnection = (HttpURLConnection) url.openConnection();

                urlConnection.setInstanceFollowRedirects(false);

                urlConnection.setConnectTimeout(SOCKET_TIMEOUT_MS);