vendor: re-vendor golang.org/x/net to fix Dragonfly build

This picks up CL 202317 which fixes golang.org/x/net for Dragonfly
master (upcoming 5.8 release). Also re-enable the interface tests
disabled in CL 201482.

Vendored using:

    $ go get golang.org/x/net@24d2ffbea1e8
    $ go mod tidy
    $ go mod vendor

Fixes #34368

Change-Id: Iac152b7ffaa607bfedbb4024b4e1ffc9b649d689
Reviewed-on: https://go-review.googlesource.com/c/go/+/202438
Run-TryBot: Tobias Klauser <[email protected]>
TryBot-Result: Gobot Gobot <[email protected]>
Reviewed-by: Bryan C. Mills <[email protected]>

Author: tklauser

src/go.mod

@@ -4,7 +4,7 @@ go 1.14
 
 require (
 	golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8
-	golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7
+	golang.org/x/net v0.0.0-20191021124707-24d2ffbea1e8
 	golang.org/x/sys v0.0.0-20190529130038-5219a1e1c5f8 // indirect
 	golang.org/x/text v0.3.2 // indirect
 )

src/go.sum

@@ -2,8 +2,8 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8 h1:1wopBVtVdWnn03fZelqdXTqk7U7zPQCb+T4rbU9ZEoU=
 golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7 h1:fHDIZ2oxGnUZRN6WgWFCbYBjH9uqVPRCUVUDhs0wnbA=
-golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20191021124707-24d2ffbea1e8 h1:L4W1teiyF4Jl6VuapLNV/LYho36udiBQsfbNu7eRMeo=
+golang.org/x/net v0.0.0-20191021124707-24d2ffbea1e8/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190529130038-5219a1e1c5f8 h1:2WjIC11WRITGlVWmyLXKjzIVj1ZwoWZ//tadeUUV6/o=

src/net/interface_test.go

@@ -8,7 +8,6 @@ package net
 
 import (
 	"fmt"
-	"internal/testenv"
 	"reflect"
 	"runtime"
 	"testing"
@@ -58,8 +57,6 @@ func condSkipInterfaceTest(t *testing.T) {
 		if runtime.GOARCH == "arm" || runtime.GOARCH == "arm64" {
 			t.Skipf("sysctl is not supported on iOS")
 		}
-	case "dragonfly":
-		testenv.SkipFlaky(t, 34368)
 	}
 }
 

src/vendor/golang.org/x/net/dns/dnsmessage/message.go

@@ -8,7 +8,7 @@ golang.org/x/crypto/hkdf
 golang.org/x/crypto/internal/chacha20
 golang.org/x/crypto/internal/subtle
 golang.org/x/crypto/poly1305
-# golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7
+# golang.org/x/net v0.0.0-20191021124707-24d2ffbea1e8
 ## explicit
 golang.org/x/net/dns/dnsmessage
 golang.org/x/net/http/httpguts