Install python3-distutils package

Change-Id: I682278c4892421c2ea616dcd830f520cd482cfc5
diff --git a/jenkins-docker/slave-debian/Dockerfile b/jenkins-docker/slave-debian/Dockerfile
index 9288536..a85bb6e 100644
--- a/jenkins-docker/slave-debian/Dockerfile
+++ b/jenkins-docker/slave-debian/Dockerfile
@@ -17,6 +17,7 @@
     python-pip \
     python-yaml \
     python-jenkinsapi \
+    python3-distutils \
     ant \
     autoconf \
     automake \