Make default branch back to "default" in tools/rietveld.
Make default branch back to "default" in tools/rietveld.

harshvardhanmalpani/googlepersonfinder,Gentlemanlylad5/googlepersonfinder,Gentlemanlylad5/googlepersonfinder,Kushal0707/googlepersonfinder,harshvardhanmalpani/googlepersonfinder,hugoloza/googlepersonfinder,Kushal0707/googlepersonfinder,hugoloza/googlepersonfinder