Add GetConnectionInfo function for BluetoothDevice, replacing the existing

device/bluetooth/bluetooth_adapter_chromeos.cc

Index: device/bluetooth/bluetooth_adapter_chromeos.cc
diff --git a/device/bluetooth/bluetooth_adapter_chromeos.cc b/device/bluetooth/bluetooth_adapter_chromeos.cc
index a5f1a98e6e62ff015621560292779f3f78896f86..f1b042fa15245be5266f82ca23338698ef2cd983 100644
--- a/device/bluetooth/bluetooth_adapter_chromeos.cc
+++ b/device/bluetooth/bluetooth_adapter_chromeos.cc
@@ -373,9 +373,7 @@ void BluetoothAdapterChromeOS::DevicePropertyChanged(
       property_name == properties->trusted.name() ||
       property_name == properties->connected.name() ||
       property_name == properties->uuids.name() ||
-      property_name == properties->rssi.name() ||
-      property_name == properties->connection_rssi.name() ||
-      property_name == properties->connection_tx_power.name())
+      property_name == properties->rssi.name())
     NotifyDeviceChanged(device_chromeos);
 
   // When a device becomes paired, mark it as trusted so that the user does