OpenX Adapter: Update user id modules (#1875)
OpenX Adapter: Update user id modules (#1875)

* OpenX Adapter fix: updating outdated video examples in documentation

* OpenX Adapter: Added support for all userId modules
prebid/prebid.github.io,sonobi/prebid.github.io,sonobi/prebid.github.io,prebid/prebid.github.io,prebid/prebid.github.io,sonobi/prebid.github.io