I just had a discussion with a Google guy regarding a related bug. It turns out that the plugins are now linked to the studio version. There's common code between the normal and experimental plugins. So make sure when you update that you are on the latest for BOTH plugins (if you use both in the same project). Otherwise some really off things start to happen (which was what the bug related to).
Ex:
2.0.0-beta6 with 0.6.0-beta6
2.1.0-alpha1 with 0.7.0-alpha1
You can subscribe to the bintray repository to keep track of updates and to see which plugins are paired (they'll be updated simultaneously).