[Thread] update the RRO config for OEM Android Border Router guide
Change-Id: I6a0dae4763c7bcf77695f02846e11a90abec51e4
diff --git a/thread/docs/build-an-android-border-router.md b/thread/docs/build-an-android-border-router.md
index f90a23b..2687e26 100644
--- a/thread/docs/build-an-android-border-router.md
+++ b/thread/docs/build-an-android-border-router.md
@@ -380,10 +380,12 @@
[config_thread.xml](https://cs.android.com/android/platform/superproject/main/+/main:packages/modules/Connectivity/service/ServiceConnectivityResources/res/values/config_thread.xml)
for the full list.
-Typically, you must change the `config_thread_vendor_name`,
-`config_thread_vendor_oui` and `config_thread_model_name` to your vendor or
-product values. Those values will be included in the `_meshcop._udp` mDNS
-service which is always advertised by a Thread Border Router.
+Typically, you must set `config_thread_border_router_default_enabled` to `true`
+to enable your device as a Thread Border Router, and change the
+`config_thread_vendor_name`, `config_thread_vendor_oui` and
+`config_thread_model_name` to your vendor or product values. Those values will
+be included in the `_meshcop._udp` mDNS service which is always advertised by a
+Thread Border Router.
To add the overlay, you need to create a new `ConnectivityOverlayOrange`
runtime_resource_overlay target for your Orange device. Create a new
@@ -436,6 +438,7 @@
```
- `config_thread.xml`:
```
+ <bool name="config_thread_border_router_default_enabled">true</bool>
<string translatable="false" name="config_thread_vendor_name">Banana Inc.</string>
<string translatable="false" name="config_thread_vendor_oui">AC:DE:48</string>
<string translatable="false" name="config_thread_model_name">Orange</string>