WiFi: Enable radio stats aggregation

set config_wifiLinkLayerRadioStatsAggregationEnabled to true
to enable radio stats aggregation logic.

Bug: 211890916
Test: atest com.android.server.wifi.WifiVendorHalTest
Test: Manual - Dump the link layer stats and validated the results.
Change-Id: I8e5b86a917daa70d91de16b7f0a65e935e23b888

cheetah/rro_overlays/WifiOverlay/res/values/config.xml

@@ -147,4 +147,7 @@
          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>
+
+    <!-- Enable aggregation of Wifi link layer radio stats from all radios -->
+    <bool translatable="false" name="config_wifiLinkLayerAllRadiosStatsAggregationEnabled">true</bool>
 </resources>

panther/rro_overlays/WifiOverlay/res/values/config.xml

@@ -148,4 +148,7 @@
          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>
+
+    <!-- Enable aggregation of Wifi link layer radio stats from all radios -->
+    <bool translatable="false" name="config_wifiLinkLayerAllRadiosStatsAggregationEnabled">true</bool>
 </resources>