Define autonym css class

Follow up: I10b8658e29c03b136b4475c4c69ace33e5628a98 and
I48b0cc4a19c3ddd8d00f585faf31046d8ba6bf9c

Define this class in MW ULS since jquery.uls removed this class
definition

Change-Id: I5e52feb6a53362378b382b06727ac6e671e0f91a
Merge "Define autonym css class"