set varlink timeout to 1 seconds

Add option to varlink for --timeout.  Input for this option is in milliseconds

Signed-off-by: baude <bbaude@redhat.com>

Closes: #814
Approved by: baude

contrib/python/test/test_runner.sh

@@ -98,7 +98,7 @@ $PODMAN --version
 
 set -x
 # Run podman in background without systemd for test purposes
-$PODMAN varlink ${PODMAN_HOST} >/tmp/test_runner.output 2>&1 &
+$PODMAN --timeout 0 varlink ${PODMAN_HOST} >/tmp/test_runner.output 2>&1 &
 
 if [[ -z $1 ]]; then
   export PYTHONPATH=.