VOL-2861 replace uint64 kafka interadapter timestamps with timestamp proto

Change-Id: I413b88bac061bbca6d6bcf1cc0e5064139fd44eb
diff --git a/requirements.txt b/requirements.txt
index b9243fb..8232468 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,4 +18,4 @@
 structlog==19.2.0
 transitions==0.6.4
 txaioetcd==0.3.0
-voltha-protos==3.3.0
+voltha-protos==3.3.2