regions: Set keyboard for South Africa to UK English

BUG=chrome-os-partner:45664
TEST=None

Change-Id: Icbce3c6a2953340e05149a135b8961dcf37bd777
Reviewed-on: https://chromium-review.googlesource.com/324600
Commit-Ready: Bernie Thompson <bhthompson@chromium.org>
Tested-by: Bernie Thompson <bhthompson@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Steven Houtchens <stevenh@google.com>
Reviewed-on: https://chromium-review.googlesource.com/328502
Reviewed-by: Bowgo Tsai <bowgotsai@google.com>
Commit-Queue: Bernie Thompson <bhthompson@chromium.org>
diff --git a/py/l10n/regions.py b/py/l10n/regions.py
index 4466545..60b7ec1 100755
--- a/py/l10n/regions.py
+++ b/py/l10n/regions.py
@@ -286,7 +286,7 @@
            'Singapore', None, 28),
     Region('us', 'xkb:us::eng', 'America/Los_Angeles', 'en-US', _KML.ANSI,
            'United States', None, 29),
-    Region('za', 'xkb:us:intl:eng', 'Africa/Johannesburg', 'en-ZA', _KML.ANSI,
+    Region('za', 'xkb:gb:extd:eng', 'Africa/Johannesburg', 'en-ZA', _KML.ISO,
            'South Africa', None, 31),
     Region('th', ['xkb:us::eng', 'm17n:th', 'm17n:th_pattajoti', 'm17n:th_tis'],
            'Asia/Bangkok', ['th', 'en-GB'], _KML.ANSI, 'Thailand', None, 36),