Java: add generated stubs back, but in a different directory from existing apache-http-5 stubs

java/ql/test/stubs/apache-http-5-Generated/javax/servlet/GenericServlet.java

@@ -0,0 +1,28 @@
+// Generated automatically from javax.servlet.GenericServlet for testing purposes
+
+package javax.servlet;
+
+import java.io.Serializable;
+import java.util.Enumeration;
+import javax.servlet.Servlet;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+
+abstract public class GenericServlet implements Serializable, Servlet, ServletConfig
+{
+    public Enumeration<String> getInitParameterNames(){ return null; }
+    public GenericServlet(){}
+    public ServletConfig getServletConfig(){ return null; }
+    public ServletContext getServletContext(){ return null; }
+    public String getInitParameter(String p0){ return null; }
+    public String getServletInfo(){ return null; }
+    public String getServletName(){ return null; }
+    public abstract void service(ServletRequest p0, ServletResponse p1);
+    public void destroy(){}
+    public void init(){}
+    public void init(ServletConfig p0){}
+    public void log(String p0){}
+    public void log(String p0, Throwable p1){}
+}