Use today's date as the "list accurate as date".

Use today's date as the "list accurate as date"  in the  generated Javadoc comment.

Change-Id: I3134a2b9c451cd8a60583507a3dda435a3cf80ec
diff --git a/common/tools/make-iana-tld-pattern.py b/common/tools/make-iana-tld-pattern.py
index d7cca93..4a65c6f 100755
--- a/common/tools/make-iana-tld-pattern.py
+++ b/common/tools/make-iana-tld-pattern.py
@@ -1,12 +1,15 @@
 #!/usr/bin/env python
 
 from urllib2 import urlopen
+from datetime import date
+
+URL='http://data.iana.org/TLD/tlds-alpha-by-domain.txt'
 
 TLD_PREFIX = r"""
     /**
      *  Regular expression to match all IANA top-level domains.
-     *  List accurate as of 2011/07/18.  List taken from:
-     *  http://data.iana.org/TLD/tlds-alpha-by-domain.txt
+     *  List accurate as of {gen_date}.  List taken from:
+     *  {url}
      *  This pattern is auto-generated by frameworks/ex/common/tools/make-iana-tld-pattern.py
      */
     public static final String TOP_LEVEL_DOMAIN_STR =
@@ -16,8 +19,8 @@
 URL_PREFIX = r"""
     /**
      *  Regular expression to match all IANA top-level domains for WEB_URL.
-     *  List accurate as of 2011/07/18.  List taken from:
-     *  http://data.iana.org/TLD/tlds-alpha-by-domain.txt
+     *  List accurate as of {gen_date}.  List taken from:
+     *  {url}
      *  This pattern is auto-generated by frameworks/ex/common/tools/make-iana-tld-pattern.py
      */
     public static final String TOP_LEVEL_DOMAIN_STR_FOR_WEB_URL =
@@ -109,7 +112,7 @@
     return bucket
 
 def makePattern(prefix, suffix, buckets, isWebUrl=False):
-    output = prefix
+    output = prefix.format(gen_date = date.today(), url=URL)
 
     output += getBucket(buckets, 'a').dump(isFirst=True, isWebUrl=isWebUrl)
 
@@ -128,7 +131,7 @@
     print output
 
 if __name__ == "__main__":
-    f = urlopen('http://data.iana.org/TLD/tlds-alpha-by-domain.txt')
+    f = urlopen(URL)
     domains = f.readlines()
     f.close()