heartbeat signature changes to align with the openolt agent

Change-Id: Iaff90db7189279a05aaa19a72dcced9b0ecc59f1
diff --git a/VERSION b/VERSION
index 166a50f..393ccdb 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.12.9
+1.12.10