VOL-2172: Deleting tech-profile at ONU
- Handle DELETE_GEM_PORT_REQUEST and DELETE_TCONT_REQ inter-adapter-message.
- Introduce a new OMCI task BrcmTpDeleteTask to delete GemPorts and TCONT
- When tech-profile download is already done, check if it is case
  where new gem-ports are being added dynamically. If new gem-ports
  are detected in TpInstance, add them.
- Rename BrcmTpServiceSpecificTask to BrcmTpSetupTask
- Move setting up of IEEE8021pMapper and ANI MacBridgePortConfigData
  to BrcmTpSetupTask (when TCONT is being setup). There should be
  unique IEEE8021pMapper and ANI MacBridgePortConfigData per TCONT.
- When TCONT is removed, remove IEEE8021pMapper and ANI MacBridgePortConfigData.
- Ensure IEEE8021pMapper and ANI MacBridgePortConfigData have element of
  TP-Table ID in its entity ID.
- GemPort Entity ID set to be same as GemPort ID and not dynamically generated.
- Fix code indentations
- Bump voltha proto version to 2.1.1
- Bump pyvoltha version to 2.3.2

Change-Id: Ie4a90d6cd6916e27a6e32b3727b161252cb80ca3
diff --git a/python/requirements.txt b/python/requirements.txt
index c8e2a23..02a8ea0 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,2 +1,2 @@
-voltha-protos==2.1.0
-pyvoltha==2.3.1
+voltha-protos==2.1.1
+pyvoltha==2.3.2