Refactor multimap streams to avoid blocking iteration on initialization

Change-Id: I6a357b37e85808972267ef2daf5328fd5035aac4
diff --git a/lib/BUCK b/lib/BUCK
index 1eb58ad..7b98d79 100644
--- a/lib/BUCK
+++ b/lib/BUCK
@@ -1,4 +1,4 @@
-# ***** This file was auto-generated at Tue, 5 Jun 2018 06:18:18 GMT. Do not edit this file manually. *****
+# ***** This file was auto-generated at Fri, 29 Jun 2018 23:42:06 GMT. Do not edit this file manually. *****
 # ***** Use onos-lib-gen *****
 
 pass_thru_pom(
@@ -207,10 +207,10 @@
 
 remote_jar (
   name = 'atomix',
-  out = 'atomix-2.0.22.jar',
-  url = 'mvn:io.atomix:atomix:jar:2.0.22',
-  sha1 = '6c4f4d95ad933ac612ef9ab85b22f5c4f714a3e1',
-  maven_coords = 'io.atomix:atomix:2.0.22',
+  out = 'atomix-2.0.23.jar',
+  url = 'mvn:io.atomix:atomix:jar:2.0.23',
+  sha1 = '6b41cebf257e0094c2276b6fa589b2c73aff5f99',
+  maven_coords = 'io.atomix:atomix:2.0.23',
   visibility = [ 'PUBLIC' ],
 )