Bug 1035846 Update the ToS link for the Loop panel. r=abr

browser/app/profile/firefox.js

@@ -1605,7 +1605,7 @@ pref("loop.soft_start_hostname", "soft-start.loop.services.mozilla.com");
 
 pref("loop.server", "https://loop.services.mozilla.com");
 pref("loop.seenToS", "unseen");
-pref("loop.legal.ToS_url", "https://accounts.firefox.com/legal/terms");
+pref("loop.legal.ToS_url", "https://call.mozilla.com/legal/terms/");
 pref("loop.legal.privacy_url", "https://www.mozilla.org/privacy/");
 pref("loop.do_not_disturb", false);
 pref("loop.ringtone", "chrome://browser/content/loop/shared/sounds/Firefox-Long.ogg");