checkstyle issue fix

Author: TikhomirovSergey

src/test/java/io/appium/java_client/events/EmptyWebDriver.java

@@ -9,8 +9,8 @@
 import org.apache.commons.lang3.StringUtils;
 import org.openqa.selenium.Alert;
 import org.openqa.selenium.By;
-import org.openqa.selenium.ContextAware;
 import org.openqa.selenium.Capabilities;
+import org.openqa.selenium.ContextAware;
 import org.openqa.selenium.Cookie;
 import org.openqa.selenium.HasCapabilities;
 import org.openqa.selenium.JavascriptExecutor;