set ad id in cookies

gistfile1.java

new Thread(new Runnable() {
    @Override
    public void run() {
        AdvertisingIdClient.Info adInfo = null;
        try {
            adInfo = AdvertisingIdClient.getAdvertisingIdInfo(mContext);
        } catch (IOException | GooglePlayServicesNotAvailableException | GooglePlayServicesRepairableException e) {
            e.printStackTrace();
        }
        String advertisingId = "";
        if (adInfo != null) {
            advertisingId = adInfo.getId();
        }
        mCookieManager.initCookies(mContext, eventType, advertisingId);
    }
}).start();