I'm setting up flutter in my laptop (Elementary OS), the case is I'm trying to be able develop flutter without Android Studio and using VSCode to make it lightweight, the step I did is installing flutter, download manually android-sdk, and move it to `usr/lib/Android`, install gradle, and openJDK8,

I did setting up Android Environtment, export `ANDROID_HOME` to `usr/lib/Android`, setting up with `sdkmanager` to download system-images, etc

I can run the flutter command on terminal, the problem is in the `android-sdk` path, I already changed the config with `flutter config --android-sdk /usr/lib/Android`, but, the `flutter doctor -v` command shows 

```
[!] Android toolchain - develop for Android devices
    • Android SDK at /usr/lib/android-sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    ✗ Unable to locate Android SDK.
      Install Android Studio from: https://developer.android.com/studio/index.html
      On first launch it will assist you in installing the Android SDK components.
      (or visit https://flutter.dev/setup/#android-setup for detailed instructions).
      If the Android SDK has been installed to a custom location, set ANDROID_HOME to that location.
      You may also want to add it to your PATH environment variable.

```

and the `flutter config` command shows 

```
Settings:
  android-sdk: /usr/lib/Android/

```