[go] Fix up deps_test from previous commits.

Change-Id: I71d08acca5a0a782124226ad7874299828b06c21
diff --git a/src/go/build/deps_test.go b/src/go/build/deps_test.go
index 1922a7b..fd58c07 100644
--- a/src/go/build/deps_test.go
+++ b/src/go/build/deps_test.go
@@ -169,7 +169,7 @@
 	"syscall/zx/mxnet":             {"L0"},
 	"syscall/zx/mxruntime":         {"L0", "C"},
 	"syscall/zx/net":               {"L0"},
-	"syscall/zx/zxsocket":          {"L0"},
+	"syscall/zx/zxsocket":          {"L0", "syscall", "syscall/zx/mxerror"},
 	"syscall/zx/zxwait":            {"L0"},
 
 	"internal/syscall/unix":             {"L0", "syscall"},
@@ -345,7 +345,7 @@
 	// do networking portably, it must have a small dependency set: just L0+basic os.
 	"net": {
 		"L0", "CGO",
-		"context", "math/rand", "os", "reflect", "sort", "syscall", "time",
+		"context", "math/rand", "os", "reflect", "sort", "strings", "syscall", "time",
 		"internal/nettrace", "internal/poll", "internal/syscall/unix",
 		"internal/syscall/windows", "internal/singleflight", "internal/race",
 		"internal/x/net/dns/dnsmessage", "internal/x/net/lif", "internal/x/net/route",