Make constant columns info available to user from h2o-R/py

[exalate-issue-sync[bot]]

[exalate-issue-sync[bot]]

Navdeep commented: Our algos handle this internally.

[exalate-issue-sync[bot]]

Nidhi Mehta commented: Yes the algos handle it internally. The request is to make them explicitly available to user. opening the issue again.

[DinukaH2O]

JIRA Issue Migration Info

Jira Issue: PUBDEV-2483 Assignee: Navdeep Reporter: Nidhi Mehta State: Reopened Fix Version: N/A Attachments: N/A Development PRs: N/A