Currently js-only due to the default (only) vector styles requiring js. Fixed in
Ifd8be387cef671b2aaa2a482c145bccf2e6d1543, with a followup to clean up a bit after
that assuming that doesn't mess up too much to be merged, but this works regardless.
Bug: T231250
Change-Id: I4cadcbc3e51672fb075c884b2d2cc1d799b1b1b0