Force CSSJanus to not flip image alignment classes

For some reason, the class-wide /*@noflip*/ on mw-halign-left and
mw-halign-right didn't 'catch' and cssjanus ended up flipping the
float directions in RTL. This fix forces noflip condition on each
of the lines separately, which seems to work.

Bug: 50910
Change-Id: I4cddce80397d821dc3cbf40ee4b4c471890d8d35
Merge "Force CSSJanus to not flip image alignment classes"