Add branding and version header generation.

Bug: 830892
Change-Id: Ib5d41a5b1a70f4f26752d97096437f489d2fe239
Reviewed-on: https://chromium-review.googlesource.com/1126168
Reviewed-by: Joe Mason <joenotcharles@chromium.org>
Commit-Queue: Oliver Li <olivierli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#572571}
6 files changed