regions: add US ANSI keyboard for Japan

BUG=b:118821791, b:131993321
TEST=./regions_unittest.py

Change-Id: I07bdb4f1acfa39381af27564dc35832f4eb2e3d0
Reviewed-on: https://chromium-review.googlesource.com/1338785
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Wei-Han Chen <stimim@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Vineeth Starly <vineeths@google.com>
Reviewed-by: Philip Chen <philipchen@chromium.org>
Reviewed-by: Alexander Alekseev <alemate@chromium.org>
(cherry picked from commit 763e67284e2b5dcd206030111bb94c413624c9f7)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/1595311
Reviewed-by: Michael Hou <michael_hou@asus.corp-partner.google.com>
Reviewed-by: Marco Chen <marcochen@chromium.org>
Tested-by: Michael Hou <michael_hou@asus.corp-partner.google.com>
Commit-Queue: Marco Chen <marcochen@chromium.org>
diff --git a/regions/regions.py b/regions/regions.py
index e23f0d2..2062f13 100755
--- a/regions/regions.py
+++ b/regions/regions.py
@@ -459,6 +459,9 @@
         'gb.usext', 'xkb:us:altgr-intl:eng', 'Europe/London', 'en-GB', KML.ISO,
         'UK (US extended keyboard)', (
             'GB with US extended keyboard')),
+    Region(
+        'jp.us', 'xkb:us::eng', 'Asia/Tokyo', 'ja', KML.ANSI,
+        'Japan with US keyboard'),
     ]
 
 """A list of :py:class:`regions.Region` objects for
@@ -1266,7 +1269,7 @@
         out.write(line[column_no].ljust(max_lengths[column_no] + 2))
       out.write('\n')
   else:
-    exit('Sorry, unknown format specified: %s' % args.format)
+    sys.exit('Sorry, unknown format specified: %s' % args.format)
 
 
 if __name__ == '__main__':