fix(Android): Don't log the cookie when downloading file. (#1224)

android/src/main/java/com/reactnativecommunity/webview/RNCWebViewManager.java

           String baseUrl = urlObj.getProtocol() + "://" + urlObj.getHost();
           String cookie = CookieManager.getInstance().getCookie(baseUrl);
           request.addRequestHeader("Cookie", cookie);
-          System.out.println("Got cookie for DownloadManager: " + cookie);
         } catch (MalformedURLException e) {
           System.out.println("Error getting cookie for DownloadManager: " + e.toString());
           e.printStackTrace();