Change list

Fix compilation error with selenium 3.5.1 module (see https://travis-ci.org/appium/java-client/builds/266018745)

Types of changes

• No changes in production code.
• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Details

Run several functional tests and the stuff looks good so far. However, it would be good to run more extended suite.