Merge branch 'stable-2.15' into stable-2.16

* stable-2.15:
  Support adding reviewers in batch mode

Change-Id: Ia05ed4282b46c6b2b8b1d75c00ea16b6be94815f
tree: 2cea3ed5ab0d949ef30b9ac1266a441d8d257822
  1. .gitignore
  2. .settings/
  3. BUILD
  4. LICENSE
  5. src/