bluetooth: Add option dict to ReadValue/WriteValue dbus call

device/bluetooth/dbus/bluetooth_gatt_descriptor_client.cc

Index: device/bluetooth/dbus/bluetooth_gatt_descriptor_client.cc
diff --git a/device/bluetooth/dbus/bluetooth_gatt_descriptor_client.cc b/device/bluetooth/dbus/bluetooth_gatt_descriptor_client.cc
index ddc314ccac683df0f82f517fa64d162c88227211..596aec78d8f903a3b5bcaf04f89c320d7276ae3e 100644
--- a/device/bluetooth/dbus/bluetooth_gatt_descriptor_client.cc
+++ b/device/bluetooth/dbus/bluetooth_gatt_descriptor_client.cc
@@ -99,6 +99,12 @@ class BluetoothGattDescriptorClientImpl
         bluetooth_gatt_descriptor::kBluetoothGattDescriptorInterface,
         bluetooth_gatt_descriptor::kReadValue);
 
+    // Append empty option dict
+    dbus::MessageWriter writer(&method_call);
+    dbus::MessageWriter array_writer(NULL);
+    writer.OpenArray("{sv}", &array_writer);
+    writer.CloseContainer(&array_writer);
+
     object_proxy->CallMethodWithErrorCallback(
         &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
         base::Bind(&BluetoothGattDescriptorClientImpl::OnValueSuccess,
@@ -125,6 +131,11 @@ class BluetoothGattDescriptorClientImpl
     dbus::MessageWriter writer(&method_call);
     writer.AppendArrayOfBytes(value.data(), value.size());
 
+    // Append empty option dict
+    dbus::MessageWriter array_writer(NULL);
+    writer.OpenArray("{sv}", &array_writer);
+    writer.CloseContainer(&array_writer);
+
     object_proxy->CallMethodWithErrorCallback(
         &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
         base::Bind(&BluetoothGattDescriptorClientImpl::OnSuccess,