Updates version number to 0.4.160496851.20170629.
Updates version number to 0.4.160496851.20170629.

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PiperOrigin-RevId: 160503973
MOS_MIGRATED_REVID=160503973

bazelbuild/tulsi,pinterest/tulsi,pinterest/tulsi,pinterest/tulsi,pinterest/tulsi,pinterest/tulsi,bazelbuild/tulsi,bazelbuild/tulsi,bazelbuild/tulsi,pinterest/tulsi,bazelbuild/tulsi,bazelbuild/tulsi