Update //device/bluetooth/dbus code to match cros_system_api constants.

device/bluetooth/dbus/bluetooth_gatt_manager_client.cc

Index: device/bluetooth/dbus/bluetooth_gatt_manager_client.cc
diff --git a/device/bluetooth/dbus/bluetooth_gatt_manager_client.cc b/device/bluetooth/dbus/bluetooth_gatt_manager_client.cc
index 815c94ffa900f2fdcc5420906e873c91b57686aa..8f3719572d34b502cfa83d2c827b06ed54c72953 100644
--- a/device/bluetooth/dbus/bluetooth_gatt_manager_client.cc
+++ b/device/bluetooth/dbus/bluetooth_gatt_manager_client.cc
@@ -35,7 +35,7 @@ class BluetoothGattManagerClientImpl : public BluetoothGattManagerClient {
                            const ErrorCallback& error_callback) override {
     dbus::MethodCall method_call(
         bluetooth_gatt_manager::kBluetoothGattManagerInterface,
-        bluetooth_gatt_manager::kRegisterService);
+        bluetooth_gatt_manager::kRegisterApplication);
 
     dbus::MessageWriter writer(&method_call);
     writer.AppendObjectPath(application_path);
@@ -66,7 +66,7 @@ class BluetoothGattManagerClientImpl : public BluetoothGattManagerClient {
                              const ErrorCallback& error_callback) override {
     dbus::MethodCall method_call(
         bluetooth_gatt_manager::kBluetoothGattManagerInterface,
-        bluetooth_gatt_manager::kUnregisterService);
+        bluetooth_gatt_manager::kUnregisterApplication);
 
     dbus::MessageWriter writer(&method_call);
     writer.AppendObjectPath(application_path);