CreateBranch: Use extension API's BranchInput

Upstream moved from static inner class to API.
(https://gerrit-review.googlesource.com/#/c/78390)

Change-Id: I3880a9617a3671919fc108d6caa279dd6b7fac91
1 file changed
tree: 0c21288cad24a416bd968da6298b5bbe3c1adeb5
  1. lib/
  2. src/
  3. .buckconfig
  4. .gitignore
  5. BUCK