title: android intent to open data-roaming setting page ,does not work correctly.
body: <p>I use the below code to open data-roaming setting page</p>
  
  <pre><code>f(bv&lt;Build.VERSION_CODES.JELLY_BEAN)
          {
              Intent intent=new Intent(Settings.ACTION_DATA_ROAMING_SETTINGS);
              ComponentName cName = new ComponentName("com.android.phone","com.android.phone.Settings");
              intent.setComponent(cName);
              startActivityForResult(intent,10);
          }
          else
          {
              Intent intent = new Intent();
              intent.setAction(android.provider.Settings.ACTION_DATA_ROAMING_SETTINGS);
              startActivityForResult(intent,10);
          }   
  </code></pre>
  
  <p>and it works fine on the most of the device.but on some devices it opens the settings page but data roaming option is not available in that page. </p>