Set history to immutable in .arcconfig
Set history to immutable in .arcconfig

Test Plan: none

Reviewers: DDRKirbyISQ

Reviewed By: DDRKirbyISQ

Differential Revision: http://phab.local/D11
Set history to immutable in .arcconfig

Test Plan: none

Reviewers: DDRKirbyISQ

Reviewed By: DDRKirbyISQ

Differential Revision: http://phab.local/D11