bluetooth: Add DeviceChanged logging in Device service.

device/bluetooth/device.cc

Index: device/bluetooth/device.cc
diff --git a/device/bluetooth/device.cc b/device/bluetooth/device.cc
index 6ebc34cc6b496be69a284ca730ee03d399590dcd..7e662802eabb5aed91c9859f782903049c866170 100644
--- a/device/bluetooth/device.cc
+++ b/device/bluetooth/device.cc
@@ -26,6 +26,11 @@ mojom::DeviceInfoPtr Device::ConstructDeviceInfoStruct(
       base::UTF16ToUTF8(device->GetNameForDisplay());
   device_info->address = device->GetAddress();
 
+  if (device->GetInquiryRSSI()) {
+    device_info->rssi = mojom::RSSIWrapper::New();
+    device_info->rssi->value = device->GetInquiryRSSI().value();
+  }
+
   return device_info;
 }