chore(ci): make wait_for_browser_provider time out after 2 minutes
chore(ci): make wait_for_browser_provider time out after 2 minutes

Before, if something went wrong, wait_for_browser_provider.sh would
wait indefinitely, and logs would never get printed. Now, we'll bail
early, and get some actual logs on what the problem was.

Closes #11350

ggershoni/angular.js,ggershoni/angular.js,ggershoni/angular.js,ggershoni/angular.js