Also add mention about android.useAndroidX=true

Author: ambientlight

articles/azure-maps/quick-android-map.md

@@ -120,11 +120,12 @@ The next step in building your application is to install the Azure Maps Android
 
    :::image type="content" source="./media/quick-android-map/project-settings-file.png" alt-text="A screenshot of the project settings file in Android Studio.":::
 
-3. Open the project's **gradle.properties** file, verify that `android.enableJetifier` is set to `true`:
+3. Open the project's **gradle.properties** file, verify that `android.useAndroidX` and `android.enableJetifier` are both set to `true`:
    
-   If the **gradle.properties** does not include `android.enableJetifier`, add the next line to the end of the file:
+   If the **gradle.properties** file does not include `android.useAndroidX` and `android.enableJetifier`, add the next two lines to the end of the file:
    
    ```gradle
+   android.useAndroidX=true
    android.enableJetifier=true
    ```