Unify robots.txt and favicon.ico again, but differently.
Unify robots.txt and favicon.ico again, but differently.

riannucci/rietveldv2,nicko96/Chrome-Infra,nicko96/Chrome-Infra,riannucci/rietveldv2,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra