Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  8a8d74f01d3dbd6d0c43b7fadc5284d204091761

Avoid double requests when measuring performance of image load

Change-Id: Ib5ec4c3e4e4a410a6ee520b11bf025d7447cb542
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/207