title: how do i get oauth2_4/0AX4XfWhAYTmNl5rFOw... google auth token in c# httpclient or net library
body: <p><code>https://accounts.google.com/EmbeddedSetup/identifier?flowName=EmbeddedSetupAndroid&amp;cid=1</code> after i login and accept terms of condition then oauth_token cookie will be set to like oauth2_4/0AX4XfWhAYTmNl5rFOw...</p>
  <p>how can i get oauth_token by c# httpclient or net library? (without browser automation)</p>