Merge branch 'stable-2.16'

* stable-2.16:
  Add the standard AOSP license header and Copyright
  Adapt to the new related changes class on stable-2.15
  Adapt to the new related changes class on stable-2.16
  Fix submission of changes using the botUser identity
  Bazel: Include eclipse-out directory in .bazelignore

Change-Id: I2a993e4a562c39732918648406de7adcc8dd3644