Merge "Introduce aconfig flag to guard Reset mobile network feature" into main

  description: "Expose carrier config KEY_ADDITIONAL_SETTINGS_CALLER_ID_VISIBILITY_BOOL and KEY_ADDITIONAL_SETTINGS_CALL_WAITING_VISIBILITY_BOOL."

  bug: "310264981"

}

flag {

    name: "reset_mobile_network_settings"

    namespace: "telephony"

    description: "Allows applications to launch Reset Mobile Network Settings page in Settings app."

    bug:"271921464"

}