Merge branch 'stable-2.15'

* stable-2.15:
  Format with google-java-format 1.7

Change-Id: Id8d61153874989dcad7e0b2deeaaf191ff2e183e
tree: b687b0e82c5477071d0ac68b6ca512bbe255da8e
  1. .gitignore
  2. BUILD
  3. LICENSE
  4. src/