DRM VTS Vendor module for widevine

This module is used with the drm VTS tests as part of HIDL/HAL
testing.  For background reference:
hardware/interfaces/drm/1.0/vts/doc/Drm_Vendor_Modules_v1.pdf

Change-Id: I38eb13696343e08fa2a1758219350d25698bfb7d
related-to-bug: 32815560

libwvdrmengine/vts/vendor_module/factory.cpp

@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#include "drm_hal_vendor_module_api.h"
+#include "vts_module.h"
+
+namespace widevine_vts {
+    extern "C" {
+        DrmHalVTSVendorModule *vendorModuleFactory() {
+            return new WidevineVTSVendorModule_V1();
+        }
+    };
+}; // namespace widevine_vts
+
+