Update notifyEmergencyNumberList() feature flag dependency

Given that  notifyEmergencyNumberList() functionality is utilized by both
calling and messaging modules, and messaging can be enabled without
calling,the function's access control should be based on either
FEATURE_TELEPHONY_CALLING or FEATURE_TELEPHONY_MESSAGING.

Bug: 395178686
Flag: EXEMPT bug fix
Test: atest CtsTelephonyTestCases --no-bazel-mode
Change-Id: Ie6d24949add3dbcd41fcee449c30a96d2983e710