Fix crash when the FEATURE_TELEPHONY_EUICC is not defined

If the device does not declare FEATURE_TELEPHONY_EUICC, RadioInfo
can make a crash because EuiccManager cannot be obtained.
Fixed it to check whether a feature is declared and display messages
according to the Euicc availability.

Bug: 341619122
Test: tested with euiccmanager null.
Change-Id: Iad5fc08f9d069327844a1f6d9c8f2e2815e5bdf0
1 file changed