Docs-4676 Update strings.md (#10498)

Update so that the quickstart will automatically select the application's domain and client ID

Author: BcnCarlos

articles/quickstart/native/android/files/strings.md

@@ -4,7 +4,7 @@ language: xml
 ---
 ```xml
 <resources>
-    <string name="com_auth0_domain">"YOUR_DOMAIN"</string>
-    <string name="com_auth0_client_id">"YOUR_CLIENT_ID"</string>
+    <string name="com_auth0_domain">${account.namespace}</string>
+    <string name="com_auth0_client_id">${account.clientId}</string>
 </resources>
-```
+```