Adf: Cookie matching domain updated (prebid#3072)

Author: braizhas

src/main/resources/bidder-config/adf.yaml

@@ -18,6 +18,6 @@ adapters:
     usersync:
       cookie-family-name: adf
       redirect:
-        url: https://cm.adform.net/cookie?redirect_url={{redirect_url}}
+        url: https://c1.adform.net/cookie?redirect_url={{redirect_url}}
         support-cors: false
         uid-macro: '$UID'