Presubmit: ensure empty line between CL title and description

Bug: skia:
Change-Id: If1b2d655e9be4b960f76d2d17ce1cf1126f7b2d4
Reviewed-on: https://skia-review.googlesource.com/15624
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
1 file changed