add httpCookieSpec

Author: BCaxelbecker

src/main/java/com/arangodb/internal/http/HttpConnection.java

@@ -159,7 +159,7 @@ public Builder timeout(final Integer timeout) {
 }
 
 public HttpConnection build() {
-return new HttpConnection(host, timeout, user, password, useSsl, sslContext, util, contentType, ttl);
+return new HttpConnection(host, timeout, user, password, useSsl, sslContext, util, contentType, ttl, httpCookieSpec);
 }
 }