Use UTC time format in onos-lib-gen

Also remove an extra space

Change-Id: Ia5a7636189be0cb5e961133f504c1d92c7a4445e
diff --git a/lib/BUCK b/lib/BUCK
index f97b618..6268695 100644
--- a/lib/BUCK
+++ b/lib/BUCK
@@ -1,7 +1,7 @@
-# ***** This file was auto-generated at Fri Feb 17 08:57:18 PST 2017. Do not edit this file manually. *****
+# ***** This file was auto-generated at Sat, 18 Feb 2017 00:45:58 GMT. Do not edit this file manually. *****
 # ***** Use onos-lib-gen *****
 
-pass_thru_pom( 
+pass_thru_pom(
     name = 'onos-dependencies-pom',
     src = 'pom.xml',
     out = 'onos-dependencies.pom',