Enable verbose logging on by default for userdebug build.

Enable verbose logging on by default for userdebug build, to show
verbose logging of Wifi framework.

Bug: 200196601
Test: atest FrameworksWifiTests
Change-Id: Ia484b3893f291023b9dbd507805941b9b59bbaa2
(cherry picked from commit 1f9181cf31ed97bd97c824d032731025bbe6e78d)
diff --git a/rro_overlays/WifiOverlay/res/values/config.xml b/rro_overlays/WifiOverlay/res/values/config.xml
index cac31e5..d6c8e99 100644
--- a/rro_overlays/WifiOverlay/res/values/config.xml
+++ b/rro_overlays/WifiOverlay/res/values/config.xml
@@ -79,4 +79,10 @@
     <string translateble="false" name="config_wifiSoftap2gChannelList"></string>
     <!-- Channel list for softap 5G band. Empty means all channels -->
     <string translateble="false" name="config_wifiSoftap5gChannelList"></string>
+
+    <!-- Indicate whether the verbose logging is always on -->
+    <!-- 0: verbose logging controlled by user
+         1: verbose logging on by default for userdebug
+         2: verbose logging on by default for all builds -->
+    <integer translatable="false" name="config_wifiVerboseLoggingAlwaysOnLevel">1</integer>
 </resources>