title: Protractor : WebDriverError: unknown error: operation is unsupported on Android
body: <p>I am trying to run protractor tests on real device (Android Phone, Android 5.0.1 version). It is opening the browser (Chrome) but not navigating to the url and throwing below error message.</p>
  
  <pre><code>super(opt_error);
           ^
  WebDriverError: unknown error: operation is unsupported on Android
    (Session info: chrome=49.0.2623.105)
    (Driver info: chromedriver=2.18.343845 (73dd713ba7fbfb73cbb514e62641d8c96a94682a),platform=Windows NT 10.0 x86_64).
  </code></pre>
  
  <p>Here is code from conf js ( pasing only required code ):</p>
  
  <pre><code>seleniumAddress: 'http://localhost:4723/wd/hub',
  
     capabilities: {
       browserName: 'chrome',
       platformName: 'android',
       deviceName: ' ',
     },
     framework: 'jasmine2',
     specs: ['../functional/AppLogin.js'],
  </code></pre>
  
  <p>Actual Spec code:</p>
  
  <pre><code>describe("Verify Login", function(){
       it("Verify Application Login",function(){
           browser.get("http://juliemr.github.io/protractor-demo/");
       });
  });
  </code></pre>
  
  <p>Note: Device connected to system properly, Appium node server running fine.</p>