Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  215a2755b206736ed52ef393ad56fc4684ad8477

Fix: Make section edit A/B test work

Previously it would always put everyone in the same bucket because
M.isTestA, which is based on user ID, was used before the user logged
in.

Change-Id: I9da68ce7523516d5a098d5141f052247a55119e1