Fix incorrect linting by preventing Github Actions from using Android S.

.github/workflows/android.yml

@@ -24,6 +24,9 @@ jobs:
     - name: Validate Gradle Wrapper
       uses: gradle/wrapper-validation-action@v1
 
+    - name: Remove Android S
+      run: $ANDROID_HOME/tools/bin/sdkmanager --uninstall "platforms;android-S"
+
     - name: Build with Gradle
       run: ./gradlew qa