Updates version number to 0.4.275102059.20191017.
Updates version number to 0.4.275102059.20191017.

PiperOrigin-RevId: 275265157

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