Butterknife appears twice in the OSS attribution list of the Android app (v1.0.85). Based on the links, the second one should be JMustache.
This has been (finally) fixed as of today, June 30th, 2017 with version 1.0.95 of the Android app.
Thanks for catching this! Copy pasting so many times led me to totally looking past it.
This is fixed as of version 1.0.2, live now. It'll also be fixed in the Stack Exchange app as of the next update (1.0.95), which isn't live yet.