Add support for a new flavor of the ref remote.

Bug: 263929516
Test: manually verified that correct kl file gets loaded
Change-Id: I91bbd99f53d480cd8092c887c3a6e7c052f7107c

data/keyboards/Vendor_18d1_Product_9451.idc

@@ -0,0 +1,23 @@
+# Copyright (C) 2023 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#
+# Input Device Configuration file for a flavor of the Google Reference RCU Remote.
+#
+#
+
+# Basic Parameters
+keyboard.layout = Vendor_0957_Product_0001
+keyboard.doNotWakeByDefault = 1
+audio.mic = 1