Merge branch 'stable-3.3' into stable-3.4

* stable-3.3:
  Reduce default exclude refs filter

Release-Notes: skip
Change-Id: Ibeba6ef72385515238eff32afb4c12cc875e25ef
tree: 69ad0c35adfa72db0a704a1a66d1fa881e54d65c
  1. src/
  2. BUILD
  3. Jenkinsfile
  4. LICENSE