net: treat android like linux in tests

LGTM=bradfitz
R=golang-codereviews, bradfitz
CC=golang-codereviews
https://golang.org/cl/112810043

src/pkg/net/conn_test.go

@@ -38,7 +38,7 @@ func TestConnAndListener(t *testing.T) {
 			}
 		case "unixpacket":
 			switch runtime.GOOS {
-			case "darwin", "nacl", "openbsd", "plan9", "windows":
+			case "android", "darwin", "nacl", "openbsd", "plan9", "windows":
 				continue
 			case "freebsd": // FreeBSD 8 doesn't support unixpacket
 				continue

src/pkg/net/multicast_test.go

@@ -25,7 +25,7 @@ var ipv4MulticastListenerTests = []struct {
 // port.
 func TestIPv4MulticastListener(t *testing.T) {
 	switch runtime.GOOS {
-	case "nacl", "plan9":
+	case "android", "nacl", "plan9":
 		t.Skipf("skipping test on %q", runtime.GOOS)
 	case "solaris":
 		t.Skipf("skipping test on solaris, see issue 7399")

src/pkg/net/parse_test.go

@@ -12,9 +12,9 @@ import (
 )
 
 func TestReadLine(t *testing.T) {
-	// /etc/services file does not exist on windows and Plan 9.
+	// /etc/services file does not exist on android, plan9, windows.
 	switch runtime.GOOS {
-	case "plan9", "windows":
+	case "android", "plan9", "windows":
 		t.Skipf("skipping test on %q", runtime.GOOS)
 	}
 	filename := "/etc/services" // a nice big file

src/pkg/net/unix_test.go

@@ -256,9 +256,12 @@ func TestUnixConnLocalAndRemoteNames(t *testing.T) {
 			t.Fatalf("UnixConn.Write failed: %v", err)
 		}
 
-		if runtime.GOOS == "linux" && laddr == "" {
+		switch runtime.GOOS {
+		case "android", "linux":
+			if laddr == "" {
 				laddr = "@" // autobind feature
 			}
+		}
 		var connAddrs = [3]struct{ got, want Addr }{
 			{ln.Addr(), ta},
 			{c.LocalAddr(), &UnixAddr{Name: laddr, Net: "unix"}},
@@ -308,9 +311,13 @@ func TestUnixgramConnLocalAndRemoteNames(t *testing.T) {
 			}
 		}()
 
-		if runtime.GOOS == "linux" && laddr == "" {
+		switch runtime.GOOS {
+		case "android", "linux":
+			if laddr == "" {
 				laddr = "@" // autobind feature
 			}
+		}
+
 		var connAddrs = [4]struct{ got, want Addr }{
 			{c1.LocalAddr(), ta},
 			{c1.RemoteAddr(), nil},