Update git submodules

* Update ChronoSync from branch 'master'
  to e275292728071f9c5967dc81040971d93176ee9c
  - build: upgrade waf to version 2.0.19
    
    Change-Id: I5ca28fd7cfd26988952fccb275c5ce925e94bbb8
    
  - logic: remove some leftover code
    
    Change-Id: I6e98ac216ce49f078e59c55efd856ce8e03d0b71
    
diff --git a/ChronoSync b/ChronoSync
index dd00076..e275292 160000
--- a/ChronoSync
+++ b/ChronoSync
@@ -1 +1 @@
-Subproject commit dd000762d6bd631a4a1a36d23dc5d0e2574e676d
+Subproject commit e275292728071f9c5967dc81040971d93176ee9c