Update ICU to 58.1

source/data/locales/os.txt

Index: source/data/locales/os.txt
diff --git a/source/data/locales/os.txt b/source/data/locales/os.txt
index 93f1f8849a4e49ce757a9596fb677e53a12b6b53..52cd7183c809134b025d0e49924323ae0a938c28 100644
--- a/source/data/locales/os.txt
+++ b/source/data/locales/os.txt
@@ -1,11 +1,5 @@
-// ***************************************************************************
-// *
-// * Copyright (C) 2015 International Business Machines
-// * Corporation and others. All Rights Reserved.
-// * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
-// * Source File: <path>/common/main/os.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 os{
     AuxExemplarCharacters{"[]"}
     Ellipsis{
@@ -49,7 +43,7 @@ os{
             }
         }
     }
-    Version{"2.1.19.14"}
+    Version{"2.1.27.40"}
     calendar{
         generic{
             DateTimePatterns{
@@ -141,6 +135,10 @@ os{
                 "ӕмбисбоны размӕ",
                 "ӕмбисбоны фӕстӕ",
             }
+            AmPmMarkersAbbr{
+                "AM",
+                "PM",
+            }
             DateTimePatterns{
                 "HH:mm:ss zzzz",
                 "HH:mm:ss z",