add Do Not Ask Again button for wifi emergency notif.
A user reported that the emergency wifi calling notification was
spammy and had no option to never show it again. This change allows
users to permanently silence the notification.
Fixes: 290241725
Test: 1 new unit test + manual:
(1) add sim to DUT
(2) disable mobile data & roaming
(3) set calling preference to WIFI calling
(4) select a WIFI with bad connection
observe: when the notif posts and the
"Do Not Show Again" button is clicked,
the notif is never shown again.
Change-Id: Icc853bc6a41cb83f68ace3f3fb8fc22b37c324f4
2 files changed
