Update git submodules

* Update plugins/replication from branch 'master'
  to 3a470d7b5268dfd3f8c2f95a7e0c493f8fb3629a
  - ReplicationQueue: Format with google-java-format
    
    Change-Id: Ia73f420d17b657753caeb5002961c7cbed353f01
    
diff --git a/plugins/replication b/plugins/replication
index 4f2eb32..3a470d7 160000
--- a/plugins/replication
+++ b/plugins/replication
@@ -1 +1 @@
-Subproject commit 4f2eb3288571eb340f6336dc7d1dd3637bfa9b36
+Subproject commit 3a470d7b5268dfd3f8c2f95a7e0c493f8fb3629a