Merge branch 'stable-2.12' into stable-2.13

* stable-2.12:
  Reindex the change after forcing patchset as draft

Change-Id: I94bd63c01056beb056f5ff8885071936b7619d24
tree: b4be98f0d7a08de819704d599951997ab9d1217b
  1. .buckconfig
  2. .gitignore
  3. BUCK
  4. lib/
  5. src/