java: Fix package in examples/java/

examples/java/RandomTsp.java

@@ -11,6 +11,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+
 package com.google.ortools.java;
 
 import com.google.ortools.Loader;