LCM Dockerfile: added grpclib

Change-Id: I808c6817cd112a3a4b50223344e104e3238665ea
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
(cherry picked from commit f04b99d6)

docker/LCM/Dockerfile

@@ -79,6 +79,8 @@ RUN add-apt-repository -y "deb ${REPOSITORY_BASE}/${RELEASE} ${REPOSITORY} LCM N
 
 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
@@ -89,8 +91,6 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
      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" \