Fix typo in Settings

    <string name="network_scorer_change_active_no_previous_dialog_text" translatable="false">Use <xliff:g id="new_app">%s</xliff:g> as your network scorer?</string>

    <!-- The SIM operator is not known [CHAR_ LIMIT=50]-->

    <string name="mobile_unknown_sim_operator" translatable="true">Uknown SIM operator</string>

    <string name="mobile_unknown_sim_operator" translatable="true">Unknown SIM operator</string>

    <!-- There is no mobile provisiong website for the operator which is the firat parameter [CHAR_ LIMIT=50]-->

    <string name="mobile_no_provisioning_url" translatable="true">%1$s has no known provisioning website</string>