[ci] Add IBD parameters for CI.

Authored by schancel on Nov 8 2018, 19:09.


[ci] Add IBD parameters for CI.

Summary: Allow parameters to be set for IBD via CI interface.

Test Plan: Fire a one-off build on this commit and see if it works

Reviewers: #bitcoin_abc, jasonbcox

Reviewed By: #bitcoin_abc, jasonbcox

Subscribers: teamcity

Differential Revision: https://reviews.bitcoinabc.org/D2027