DHCPv4: lease expiration is fatal, renew failures are not

Bug: 24837343

Change-Id: Ib330864f8376b0907390d581b48cff5446b3392b
diff --git a/core/java/android/net/StaticIpConfiguration.java b/core/java/android/net/StaticIpConfiguration.java
index 7f1b179..58b1b88 100644
--- a/core/java/android/net/StaticIpConfiguration.java
+++ b/core/java/android/net/StaticIpConfiguration.java
@@ -131,7 +131,7 @@
             str.append(" ").append(dnsServer.getHostAddress());
         }
 
-        str.append(" ] Domains");
+        str.append(" ] Domains ");
         if (domains != null) str.append(domains);
         return str.toString();
     }