Add dependency for jsp for unit tests.
Add dependency for jsp for unit tests.

GoogleCloudPlatform/appengine-java-vm-runtime,jboynes/appengine-java-vm-runtime,aozarov/appengine-java-vm-runtime,aozarov/appengine-java-vm-runtime,GoogleCloudPlatform/openjdk-runtime,ludoch/appengine-java-vm-runtime,jboynes/appengine-java-vm-runtime,GoogleCloudPlatform/jetty-runtime,GoogleCloudPlatform/openjdk-runtime,GoogleCloudPlatform/appengine-java-vm-runtime,GoogleCloudPlatform/jetty-runtime,aozarov/appengine-java-vm-runtime,jetty-project/appengine-java-vm-runtime,jetty-project/appengine-java-vm-runtime,GoogleCloudPlatform/jetty-runtime,GoogleCloudPlatform/openjdk-runtime,jetty-project/appengine-java-vm-runtime,ludoch/appengine-java-vm-runtime,GoogleCloudPlatform/jetty-runtime,GoogleCloudPlatform/appengine-java-vm-runtime,jboynes/appengine-java-vm-runtime,ludoch/appengine-java-vm-runtime