Add missing newline to initial DM output

Bug: skia:
Change-Id: I505e5c339947e9fc8bbec6acefc48ee9f47c96d2
Reviewed-on: https://skia-review.googlesource.com/30581
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed