CHERRY-PICK: iface-modem: allow reset and factory reset operation in every state

(cherry picked from commit 60e1ac69194bddc10640f07a982430890056616e)

BUG=chromium:284598
TEST=Tested 'modem reset' when there is no SIM inserted.

Change-Id: I05a8247ac3230d932d606b864645515b2a371c3c
Reviewed-on: https://chromium-review.googlesource.com/167940
Reviewed-by: Gediminas Ramanauskas <gedis@chromium.org>
Commit-Queue: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
1 file changed