Merge branch 'stable-2.15'

* stable-2.15:
  Update bazlets to latest stable-2.15 to use 2.15rc3

Change-Id: I1a026ec2be41f470164090139ffba41d0c8ac5c5
tree: 09d8ea10e086f92d904ebb0fb2130c08b06e5420
  1. .settings/
  2. src/
  3. tools/
  4. .gitignore
  5. bazlets.bzl
  6. BUILD
  7. LICENSE
  8. WORKSPACE