Add module to override the f_diag gadget module with tty calls for factory mode. Change-Id: I208dcebdf00e629847b4ed3b7e597f968cb324ae Signed-off-by: Ryan Lattrel <ryanl@motorola.com> Reviewed-on: https://gerrit.mot.com/1128711 SME-Granted: SME Approvals Granted SLTApproved: Slta Waiver Tested-by: Jira Key Reviewed-by: Kenneth Kessler <kennykessler@motorola.com> Submit-Approved: Jira Key