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 11453333049aaf7285be8f9bf017cc11220f32f8..44d1a91b11825c7274b3b3981a02d1c25734a9de 100644
--- a/components/metrics/proto/system_profile.proto
+++ b/components/metrics/proto/system_profile.proto
@@ -288,6 +288,48 @@ message SystemProfileProto {
     }
     // The physical layer mode of the associated wifi access point, if any.
     optional WifiPHYLayerProtocol wifi_phy_layer_protocol = 4;
+
+    // Describe wifi access point information.
+    message WifiAccessPoint {
+      // Vendor prefix of the access point'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;
+
+      // Access point seurity mode definitions.
+      enum SecurityMode {
+        SECURITY_UNKNOWN = 0;
+        SECURITY_WPA = 1;
+        SECURITY_WEP = 2;
+        SECURITY_RSN = 3;
+        SECURITY_802_1X = 4;
+        SECURITY_PSK = 5;
+        SECURITY_NONE = 6;
+      }
+      // The security mode of the access point.
+      optional SecurityMode security_mode = 2;
+
+      // Vendor specific information.
+      message VendorInformation {
+        // The model number, for example "WNR3500L".
+        optional string model_number = 1;
+
+        // The model name (sometime same as model_number),
+        // for example "WNR3500L".
+        optional string model_name = 2;
+
+        // The device name (sometime same as model_number),
+        // for example "WNR3500L"
+        optional string device_name = 3;
+
+        // The list of vendor-specific OUIs.
+        repeated uint32 oui = 4;
+      }
+      // The wireless access point vendor information.
+      optional VendorInformation vendor_info = 3;
+    }
+    // Information of the wireless AP that device is connected to.
+    optional WifiAccessPoint ap_info = 5;
   }
   optional Network network = 13;