Bug 1142671 - Temporary pref for Loop context-in-conversation work. r=Standard8

browser/app/profile/firefox.js

@@ -1711,6 +1711,7 @@ pref("loop.support_url", "https://support.mozilla.org/kb/group-conversations-fir
 pref("loop.contacts.gravatars.show", false);
 pref("loop.contacts.gravatars.promo", true);
 pref("loop.browserSharing.showInfoBar", true);
+pref("loop.contextInConverations.enabled", false);
 
 // serverURL to be assigned by services team
 pref("services.push.serverURL", "wss://push.services.mozilla.com/");