Install DIB binary dependencies from bindep.txt

This patch will ensure DIB binary dependencies are installed at an early
phase of deployment. As result, we prevent DIB from failing due to unmet
binary dependencies later on while building amphora images as seen in
[1].

[1] http://logs.openstack.org/81/600381/9/check/octavia-v2-dsvm-\
scenario-fedora-latest/ced40d4/controller/logs/dib-build/amphora\
-x64-haproxy.qcow2_log.txt.gz#_2019-01-18_23_15_52_244

Depends-On: https://review.openstack.org/#/c/630889
Change-Id: I6b7244b6a1398994d1c537f358086e22d1e781c1

devstack/plugin.sh

@@ -35,7 +35,7 @@ function install_diskimage_builder {
         GITDIR["diskimage-builder"]=$DISKIMAGE_BUILDER_DIR
         GITBRANCH["diskimage-builder"]=$DISKIMAGE_BUILDER_REPO_REF
         git_clone_by_name "diskimage-builder"
-        setup_dev_lib "diskimage-builder"
+        setup_dev_lib -bindep "diskimage-builder"
     fi
 }