LCM Dockerfile: added grpclib

Change-Id: I808c6817cd112a3a4b50223344e104e3238665ea
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/docker/LCM/Dockerfile b/docker/LCM/Dockerfile
index 1d39df6..2019a83 100644
--- a/docker/LCM/Dockerfile
+++ b/docker/LCM/Dockerfile
@@ -79,6 +79,8 @@
 
 RUN python3 -m pip install -U "cffi==1.13.2"
 
+RUN python3 -m pip install grpcio-tools grpclib
+
 ARG LCM_VERSION
 ARG COMMON_VERSION
 ARG N2VC_VERSION
@@ -88,8 +90,6 @@
                                          python3-n2vc${N2VC_VERSION} \
                                          && rm -rf /var/lib/apt/lists/*
 
-EXPOSE 9999
-
 LABEL Maintainer="alfonso.tiernosepulveda@telefonica.com" \
       Description="This implements life cycle management engine for OSM" \
       Version="1.0" \