Get browser locale set by the new browser localization code.

config/chroot_local-includes/usr/local/bin/tor-browser

@@ -34,7 +34,7 @@ tor_has_bootstrapped() {
 # the profile.
 enable_localized_searchplugins() {
     local locale
-    locale=$(cat /var/lib/tails-user-session/browser-locale.js | \
+    locale=$(cat "${PROFILE}"/preferences/0000locale.js | \
                  sed 's@^pref("general\.useragent\.locale", "\([^"]*\)");$@\1@')
     if [ "${locale}" = en-US ]; then
         return