AttributionNetwork

enum class AttributionNetwork

Equivalent to Purchases.AttributionNetwork. We can't remove that enum class because it's public

ADJUST	https://www.adjust.com/
APPSFLYER	https://www.appsflyer.com/
BRANCH	http://branch.io/
TENJIN	http://tenjin.io/
FACEBOOK	https://developers.facebook.com/
MPARTICLE	https://www.mparticle.com/

val serverValue: Int