Bug 1303305 - Support in-memory unzip on tc win testers; r=armenzg

MozReview-Commit-ID: JcGymDuh2s9

--HG--
extra : rebase_source : 98842dda643bf37553e035d52adefcbaa07002e8

testing/mozharness/mozharness/base/script.py

@@ -629,6 +629,9 @@ class ScriptMixin(PlatformMixin):
                 'application/zip': {
                     'function': self.unzip,
                 },
+                'application/x-zip-compressed': {
+                    'function': self.unzip,
+                },
             }
 
             filename = url.split('/')[-1]