Previously UniversalLanguageSelector relied on the targets system meaning the modules ext.uls.interface, ext.uls.interlanguage and ext.uls.pt were loaded on Minerva desktop skin unnecessarily and silently removed on MobileFrontend which throws a warning. Instead of doing this, check the skin Bug: T237036 Bug: T235712 Change-Id: Ib38b041533cf959c3c4c30decc65869995c254fa