Fix modem commands to work with ModemManager1.
This CL modifies the modem script to work with modems managed by both
cromo and ModemManager1.
TEST=Test modem commands on modems managed by cromo and ModemManager1.
Reviewed-by: Thieu Le <email@example.com>
Tested-by: Ben Chan <firstname.lastname@example.org>
Commit-Ready: Ben Chan <email@example.com>
5 files changed