VOL-2395: Authentication happens on a wrong UNI port after deleting subscribers

- Use TP ID in deriving VlanTaggingFilterDataFrame ME entity ID
- Set TCONT initial value based on omcc version
- Bug fixes on the TP delete path.
- Bump pyvoltha version to 2.3.5

Change-Id: Id3dbec5cf56b6f4bc12b085cfe1b7106b5f254d2
diff --git a/python/requirements.txt b/python/requirements.txt
index cc93276..1a0c30a 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,2 +1,2 @@
 voltha-protos==2.1.2
-pyvoltha==2.3.3
+pyvoltha==2.3.5