bigquery/language/logging/prediction/vision: decouple packages (#1531)
bigquery/language/logging/prediction/vision: decouple packages (#1531)

* bigquery/language/logging/prediction/vision: decouple packages

* tests: allow more time for docs tests to run

* add vision test

* resort dependencies like npm does

googleapis/nodejs-pubsub,googleapis/nodejs-pubsub,googleapis/nodejs-pubsub