Bump cAdvisor (and dependencies) godeps version

vendor/github.com/google/cadvisor/validate/validate.go

@@ -191,12 +191,6 @@ func validateDockerInfo() (string, string) {
 	}
 
 	desc := fmt.Sprintf("Docker exec driver is %s. Storage driver is %s.\n", info.ExecutionDriver, info.Driver)
-	stateFile := docker.DockerStateDir()
-	if !utils.FileExists(stateFile) {
-		desc += fmt.Sprintf("\tDocker container state directory %q is not accessible.\n", stateFile)
-		return Unsupported, desc
-	}
-	desc += fmt.Sprintf("\tDocker container state directory is at %q and is accessible.\n", stateFile)
 	return Recommended, desc
 }