Bug 1668871 - Disabled browser_platform_emulation.js on Windows and Linux with fission. r=intermittent-reviewers,ahal DONTBUILD

Differential Revision: https://phabricator.services.mozilla.com/D94691

docshell/test/browser/browser.ini

@@ -139,6 +139,7 @@ skip-if = (os == 'win' && !debug) # bug 1300351
 support-files =
   overlink_test.html
 [browser_platform_emulation.js]
+skip-if = fission && ((os == 'linux' || os == 'win') && bits == 64) #Bug 1668871
 [browser_search_notification.js]
 [browser_tab_touch_events.js]
 [browser_timelineMarkers-01.js]