Updates version number to 0.4.167733133.20170906.
Updates version number to 0.4.167733133.20170906.

Significant changes:
- BEP Support for InfoExtractor.
- Abandon pending tasks on Bazel aspect build failure.
- Extend queued logging to handle Bazel aspect information.
- Addressed duplicated error messaging in Tulsi GUI.
- Queuing bazel query logs for test rules for consistent error 
  reporting.

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PiperOrigin-RevId: 167734834
MOS_MIGRATED_REVID=167734834

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