Merge "There's no CDMA-only devices anymore" into main

        TelephonyManager telephonyService = context.getSystemService(TelephonyManager.class);

        Preconditions.checkState(telephonyService != null, "Unable to access telephony service");

        String imei;

        try {

            imei = telephonyService.getImei(0);

        } catch (UnsupportedOperationException doesNotSupportGms) {

            // Instead of catching the exception, we could check for FEATURE_TELEPHONY_GSM.

            // However that runs the risk of changing a device's existing ESID if on these devices

            // telephonyService.getImei() actually returns non-null even when the device does not

            // declare FEATURE_TELEPHONY_GSM.

            imei = null;

        }

        mImei = imei;

        mImei = telephonyService.getImei(0);

        String meid;

        try {

            meid = telephonyService.getMeid(0);