[webdriver-tests] adding ability to configure alternate browsers (#699)

to be able to run against selendroid / chrome after starting selendroid-standaone-server or chromedriver respectively.

@AutomatedTester @shs96c @andreastt

View on GitHub: https://github.com/w3c/web-platform-tests/pull/699

Received on Wednesday, 26 February 2014 17:17:48 UTC