[Settings] Avoid from crash when pull out SIM

Avoid from crash through exception handling.

Bug: 148803073
Test: m RunSettingsRoboTests -j
ROBOTEST_FILTER=WifiCallingSettingsForSubTest
Test: m RunSettingsRoboTests -j
ROBOTEST_FILTER=WifiCallingPreferenceControllerTest
Test: m RunSettingsRoboTests -j
ROBOTEST_FILTER=WifiCallingSettingsTest
Test: m RunSettingsRoboTests -j
ROBOTEST_FILTER=WifiCallingSliceHelperTest

Change-Id: I10aff50b6f3fc50b2f336ee320740f9f4a81e256