Fix android package

cmd/internal/build/main.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"os"
+	"os/exec"
+
+	"github.com/sagernet/sing-box/log"
+)
+
+func main() {
+	findSDK()
+
+	command := exec.Command(os.Args[1], os.Args[2:]...)
+	command.Stdout = os.Stdout
+	command.Stderr = os.Stderr
+	err := command.Run()
+	if err != nil {
+		log.Fatal(err)
+	}
+}