Add dpkg-dev package to build deps

BUG=313751
R=cmp@chromium.org

Review URL: https://codereview.chromium.org/116373002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241261 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241261