https://while1.tistory.com/m/entry/Flutter-android-sdkmanager-not-found-%EC%97%90%EB%9F%AC-%ED%95%B4%EA%B2%B0%ED%95%98%EA%B8%B0

Android sdkmanager not found. Update to the latest Android SDK and ensure that

the cmdline-tools are installed to resolve this.

이런 에러가 나면

cmdline-tools 를 설치해줘야 한다.