do not deploy on the gradle plugin portal yet because: (#1813)
do not deploy on the gradle plugin portal yet because: (#1813)

1. credentials are not setup in travis
2. it deploys the incubating artifact while jcenter still hosts the regular plugin so it's out of sync.
apollographql/apollo-android,apollographql/apollo-android,apollographql/apollo-android,apollostack/apollo-android,apollostack/apollo-android,apollostack/apollo-android