Update git submodules

* Update plugins/replication from branch 'stable-2.16'
  to 9f679b030aedcb5cdae6810798f2602b62f58fa0
  - Fix naming for delay for draining the replication event queue
    
    Thread.sleep() takes milliseconds as an argument, not seconds.
    Otherwise, multiplying by 1000 would be a bug.
    
    Also switches to returning a long, which fixes a potential overflow when
    multiplying by 1000.
    
    Change-Id: I3fc5c939e8c09c134e24fa9381e96e6529b5be4d
    
diff --git a/plugins/replication b/plugins/replication
index 58778e1..9f679b0 160000
--- a/plugins/replication
+++ b/plugins/replication
@@ -1 +1 @@
-Subproject commit 58778e145d83dfa05035626aca62d968f11b7e3d
+Subproject commit 9f679b030aedcb5cdae6810798f2602b62f58fa0