max-width should actually be one smaller than the threshold
Additional changes:
* Also rename to @width-breakpoint-mobile and
rename @width-breakpoint-desktop for desktop variable in
anticipation of T171365
Bug: T176286
Change-Id: Ia37bceb46a6b780f473828ff38749543bdfcc9f6
This is programmatic output from python3 scripts/migrate.py
This will result in a Minerva skin dependent on MobileFrontend.
Post merge we will rename message keys to have minerva- prefix
Bug: T166748
Change-Id: Iff1f7e63e796cc5d4a6d2ab0370e0c33248d2fce