Retain original DEPS 'vars' in converted .DEPS.git.

R=szager@chromium.org, szager@google.com
BUG=404343

Review URL: https://codereview.chromium.org/493483002

git-svn-id: http://src.chromium.org/svn/trunk/tools/deps2git@290696 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
2 files changed