Copy ICU4J 58 release from icu-project.org to aosp/icu58.

These files were exported from the ICU Subversion repository by running
the following command:

svn export \
  http://source.icu-project.org/repos/icu/icu4j/tags/release-58-1/ icu4j

Change-Id: I41856da9987199941c1e7905521bdaf45546f742
diff --git a/icu4j/samples/build.xml b/icu4j/samples/build.xml
index 83d383f..1618c75 100644
--- a/icu4j/samples/build.xml
+++ b/icu4j/samples/build.xml
@@ -1,4 +1,6 @@
 <!--
+* © 2016 and later: Unicode, Inc. and others.
+* License & terms of use: http://www.unicode.org/copyright.html#License
 *******************************************************************************
 * Copyright (C) 2011-2014, International Business Machines Corporation and         *
 * others. All Rights Reserved.                                                *