Update name threadnetwork.country_code in comments
The properity `ro.boot.threadnetwork.country_code` has been renamed
to `threadnetwork.country_code` in aosp/2923770. This CL updates the
properity name in the comment.
Bug: b/309357909
Test: Run `atest ThreadNetworkUnitTests`.
Change-Id: I630f4d970452b17c3ee35fa8e9792ca907341ee8
diff --git a/thread/service/java/com/android/server/thread/ThreadNetworkCountryCode.java b/thread/service/java/com/android/server/thread/ThreadNetworkCountryCode.java
index a1484a4..ffa7b44 100644
--- a/thread/service/java/com/android/server/thread/ThreadNetworkCountryCode.java
+++ b/thread/service/java/com/android/server/thread/ThreadNetworkCountryCode.java
@@ -458,7 +458,7 @@
* <li>5. Location country code - Country code retrieved from LocationManager passive location
* provider.
* <li>6. OEM country code - Country code retrieved from the system property
- * `ro.boot.threadnetwork.country_code`.
+ * `threadnetwork.country_code`.
* <li>7. Default country code `WW`.
* </ul>
*