Updates version number to 0.4.288919404.20200109.
Updates version number to 0.4.288919404.20200109.

Significant changes:
- Improved indexing support for cc_library

PiperOrigin-RevId: 288920588

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