Make the origin visit scheduling cooldown configurable
Split off from !234 (closed), now with tests
Test Plan
new tests added for non default values of the cooldown
Migrated from D5901 (view on Phabricator)
Staging instance, all changes can be removed at any time
Split off from !234 (closed), now with tests
new tests added for non default values of the cooldown
Migrated from D5901 (view on Phabricator)