wifi: Add support for RSSI monitoring

Bug: 31991459
Test: Compiles
Change-Id: I8794cea12a0d1c727bd0e37123152c8da11eeabf
diff --git a/wifi/1.0/default/hidl_struct_util.cpp b/wifi/1.0/default/hidl_struct_util.cpp
index e3e41c3..61a2c2c 100644
--- a/wifi/1.0/default/hidl_struct_util.cpp
+++ b/wifi/1.0/default/hidl_struct_util.cpp
@@ -64,6 +64,8 @@
       return HidlStaIfaceCaps::BACKGROUND_SCAN;
     case WIFI_FEATURE_LINK_LAYER_STATS:
       return HidlStaIfaceCaps::LINK_LAYER_STATS;
+    case WIFI_FEATURE_RSSI_MONITOR:
+      return HidlStaIfaceCaps::RSSI_MONITOR;
   };
   CHECK(false) << "Unknown legacy feature: " << feature;
   return {};
@@ -210,8 +212,9 @@
       *hidl_caps |= convertLegacyLoggerFeatureToHidlStaIfaceCapability(feature);
     }
   }
-  for (const auto feature :
-       {WIFI_FEATURE_GSCAN, WIFI_FEATURE_LINK_LAYER_STATS}) {
+  for (const auto feature : {WIFI_FEATURE_GSCAN,
+                             WIFI_FEATURE_LINK_LAYER_STATS,
+                             WIFI_FEATURE_RSSI_MONITOR}) {
     if (feature & legacy_feature_set) {
       *hidl_caps |= convertLegacyFeatureToHidlStaIfaceCapability(feature);
     }