ci: use cmdline-tools instead of sdk tools (firebase#522)

Author: thatfiredev

Diff for: .github/workflows/android.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Check Snippets
       run: python scripts/checksnippets.py
     - name: Install NDK
-      run: echo "y" | sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install "ndk;21.0.6113669" --sdk_root=${ANDROID_SDK_ROOT}
+      run: echo "y" | sudo ${ANDROID_HOME}/cmdline-tools/latest/bin/sdkmanager --install "ndk;21.0.6113669" --sdk_root=${ANDROID_SDK_ROOT}
     - name: Build with Gradle (Pull Request)
       run: ./build_pull_request.sh
       if: github.event_name == 'pull_request'