net: wait longer before failing TestVariousDeadlines4Proc on windows
net: wait longer before failing TestVariousDeadlines4Proc on windows

This is an attempt to make our slow
windows-386 builder more reliable.

R=golang-dev, dave
CC=golang-dev
https://codereview.appspot.com/12798045

firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang,firebitsbr/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang-old,wesolows/golang-old,wesolows/golang,wesolows/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang,wesolows/golang-old,wesolows/golang,wesolows/golang,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang-old,wesolows/golang,wesolows/golang