Add wifi AP info to system profile metrics

components/metrics/proto/system_profile.proto

Index: components/metrics/proto/system_profile.proto
diff --git a/components/metrics/proto/system_profile.proto b/components/metrics/proto/system_profile.proto
index 98a0f5dc4270c70efb67d7e16e07d578308adc85..18fb46b6c40d2dd225f37cd4357d635185f83e6b 100644
--- a/components/metrics/proto/system_profile.proto
+++ b/components/metrics/proto/system_profile.proto
@@ -287,6 +287,27 @@ message SystemProfileProto {
     }
     // The physical layer mode of the associated wifi access point, if any.
     optional WifiPHYLayerProtocol wifi_phy_layer_protocol = 4;
+
+    // Describe wifi AP information.
+    message WifiAp {
+      // Vendor prefix of the AP's BSSID, these are OUI registered by
+      // the IEEE and are encoded with the first byte in bits 16-23, the
+      // second byte in bits 8-15 and the third byte in bits 0-7.
+      optional uint32 vendor_prefix = 1;
+      // Seurity mode.
+      optional string security_mode = 2;
+      // Vendor specific information.
+      message VendorInformation {
+        optional string model_number = 1;
+        optional string model_name = 2;
+        optional string device_name = 3;
+        optional string manufacturer = 4;
+        repeated uint32 oui = 5;
+      }
+      optional VendorInformation vendor_info = 3;
+    }
+    // Information of the wireless AP that device is connected to.
+    optional WifiAp ap_info = 5;
   }
   optional Network network = 13;