title: how to remove specific cookie value?
body: <p>In my app there are facebook and twitter login using browser and after login it stores cookies automatically. 
  i have to logout facebook that will be happen to remove facebook cookies value but i don't know how to remove particular cookies.</p>
  
  <p>if i remove all cookies using:</p>
  
  <pre><code>CookieManager cm = CookieManager.getInstance(this);
  cm.removeAllCookies();
  </code></pre>
  
  <p>but it removes all cookies value means it will logout both facebook and twitter both.</p>
  
  <p>my question is -- how to remove particular cookie value.</p>
  
  <p>thanks.. </p>