add websocket to make test runnable when simulation ff

Signed-off-by: Simon Stewart <simons@fb.com>

Author: rbri

java/client/.classpath

@@ -43,5 +43,6 @@
 	<classpathentry kind="lib" path="/third-party/java/slf4j/slf4j-api-1.6.6.jar"/>
 	<classpathentry kind="lib" path="/third-party/java/slf4j/slf4j-jdk14-1.6.6.jar"/>
 	<classpathentry kind="lib" path="/third-party/java/gson/gson-2.3.1.jar"/>
+	<classpathentry kind="lib" path="/third-party/java/jetty-websocket/jetty-websocket-8.1.8.jar"/>
 	<classpathentry kind="output" path="build/production"/>
 </classpath>