Several updates (#2697)

* alibaba: add freshippo.com

* gamersky: add more ad domains

* jd-ads: add more ad domains

* samsung: add samsungads.com

* chinamobile: fix wrong classification for some domains

data/samsung

@@ -9,6 +9,7 @@ galaxymobile.jp
 game-platform.net
 knoxemm.com
 samsung.com
+samsungads.com @ads
 samsungapps.com
 samsungcloud.com
 samsungdm.com