Jenkins does not seem to be automatically pulling in changes that need to be reviewed from Gerrit.
We\'re using Gerrit Trigger.
Also If I try to manually trigger
I've actually stumbled over the same problem and it took me a while to figure out the UI, since I thought the branch and project configuration belongs to Dynamic Trigger Configuration. The configuration will basically need to look like this: 
Note: my configuration uses the Silent Mode, since I don't want the plug-in to communicate back to gerrit.