wifi: do not reset country code on SIM removal

Telephony will set country code even in no sim case
based on emergency cell information. Hence Wifi
framework should not reset the country code set by
telephony blindly upon sim removal event.

Bug: 79955190
Test: ./frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Change-Id: Iebf7ce88d3d19ce1e00e3170e9809eb938201648
4 files changed