Add bubblewrap to bindep / test-setup.sh

Bubblewrap is a setuid wrapper for unprivileged chroot and namespace
manipulation. We'll be using this to run ansible-playbook from.

Change-Id: I7c6414281724d066812094d02a726df357978076
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

bindep.txt

@@ -14,3 +14,4 @@ libffi-dev [platform:dpkg]
 libffi-devel [platform:rpm]
 python-dev [platform:dpkg]
 python-devel [platform:rpm]
+bubblewrap [platform:rpm]

tools/test-setup.sh

@@ -35,3 +35,9 @@ mysql -u $DB_USER -p$DB_PW -h 127.0.0.1 -e "
     SET default_storage_engine=MYISAM;
     DROP DATABASE IF EXISTS openstack_citest;
     CREATE DATABASE openstack_citest CHARACTER SET utf8;"
+
+# TODO(pabelanger): Move this into bindep after we figure out how to enable our
+# PPA.
+sudo add-apt-repository ppa:openstack-ci-core/bubblewrap
+sudo apt-get update
+sudo apt-get --assume-yes install bubblewrap