sync: add a Go file to make the builders happy

Change-Id: I6e4fbebee02076b8c9d43318c3f7260f2339c1a3
Reviewed-on: https://go-review.googlesource.com/24907
Reviewed-by: Quentin Smith <quentin@golang.org>
1 file changed
tree: 7aad6a3dfe74a113584ee2e7fd7d4837419a4d32
  1. AUTHORS
  2. builders_test.go
  3. CONTRIBUTING.md
  4. CONTRIBUTORS
  5. LICENSE
  6. PATENTS
  7. README