Merge "[Settings] Prevent NPE from getting MobileIconGroup instance." into sc-dev

        public String getNetworkType(Context context, Config config,

                TelephonyDisplayInfo telephonyDisplayInfo, int subId) {

            String iconKey = getIconKey(telephonyDisplayInfo);

            int resId = mapIconSets(config).get(iconKey).dataContentDescription;

            MobileIconGroup iconGroup = mapIconSets(config).get(iconKey);

            int resId = 0;

            if (iconGroup != null) {

                resId = iconGroup.dataContentDescription;

            }

            return resId != 0

                    ? SubscriptionManager.getResourcesForSubId(context, subId).getString(resId)

                    : "";