Snapshot disappeared on us. Include revert of submodule change.
This reverts commit ea67c7ff00.
Change-Id: Iee0c80c57a456b57a98b79ae9a3085ab08990428
* submodules:
* Update plugins/replication from branch 'master'
  - Merge "Revert "Remove usage of to-be-deprecated Throwables methods""
  - Merge "Change docs links to actual file extension (.md)"
  - Change docs links to actual file extension (.md)
    
    See https://gerrit-review.googlesource.com/83950 for detailed context.
    
    Change-Id: I1d86feee4aaffcf7b9bd7db5e094c6a421bb6b42