Add support for Presto

[karth295]

Presto has a JDBC connector, similar to Hive: https://prestosql.io/docs/current/installation/jdbc.html.

We can expand this repo to support jdbc:dataproc://presto/; for submitting Presto queries to a cluster or a cluster pool.

Similar to https://issues.apache.org/jira/browse/HIVE-24053, we would likely need to make a minor change to Presto so that we have a way of refreshing access tokens.

If Apache Knox does not already support Presto URLs, we would need to add support for that as well. Knox would just need to be a pure HTTP proxy here (no URL rewriting necessary), so it should be relatively simple if support does not already exist.