VOL-1460 Updated to use a voltha-protos repo as source for protos

Change-Id: I6e88fb3bb16f91941abaad2f0a810ebc5aa29f36
diff --git a/python/docker/Dockerfile.base_local b/python/docker/Dockerfile.base_local
index 9b6ce9e..d2aae88 100644
--- a/python/docker/Dockerfile.base_local
+++ b/python/docker/Dockerfile.base_local
@@ -32,3 +32,7 @@
 COPY pyvoltha/dist /pyvoltha/dist
 RUN pip install /pyvoltha/dist/*.tar.gz
 
+# Install local voltha-protos
+COPY voltha-protos/dist /voltha-protos/dist
+RUN pip install /voltha-protos/dist/*.tar.gz
+