Update git submodules

* Update ChronoSync from branch 'master'
  to d057cf196981b9ea3ac1edd8b4baa27658d830e6
  - Follow ndn::Scheduler API changes
    
    Refs: #4883
    Change-Id: I71e39f13f62302248d13825481d06d10f694cd94
    
diff --git a/ChronoSync b/ChronoSync
index 5c39ba1..d057cf1 160000
--- a/ChronoSync
+++ b/ChronoSync
@@ -1 +1 @@
-Subproject commit 5c39ba1b6e8ee8a4409729ef979f916b2c9a86eb
+Subproject commit d057cf196981b9ea3ac1edd8b4baa27658d830e6