Merge branch 'stable-2.15'

* stable-2.15:
  Format BUILD file with buildifier 0.12.0
  Format all Java files with google-java-format 1.6

Change-Id: Ic9108ef83bbb72d3a1e9f4818af05bc8fa9637dd
tree: 6b04473cf89d7ebbce21c692d9b27984ce6f718f
  1. src/
  2. .gitignore
  3. BUILD
  4. external_plugin_deps.bzl
  5. LICENSE
  6. LICENSE-re2j