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/vts_module.h

@@ -0,0 +1,48 @@
+//
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+#ifndef WIDEVINE_VENDOR_VTS_MODULE
+#define WIDEVINE_VENDOR_VTS_MODULE
+
+#include <utils/Log.h>
+
+#include "drm_hal_vendor_module_api.h"
+
+using std::vector;
+
+/**
+ * Define the DrmHalVTSVendorModule_V1 for Widevine. Refer to
+ * drm_hal_vendor_module_api.h for more details.
+ */
+namespace widevine_vts {
+
+    class WidevineVTSVendorModule_V1 : public DrmHalVTSVendorModule_V1 {
+    public:
+        WidevineVTSVendorModule_V1() {}
+        virtual ~WidevineVTSVendorModule_V1() {}
+
+        virtual vector<uint8_t> getUUID();
+
+        virtual vector<uint8_t> handleProvisioningRequest(const vector<uint8_t>&
+                provisioningRequest, const std::string& url);
+
+        virtual vector<uint8_t> handleKeyRequest(const vector<uint8_t>&
+                keyRequest, const std::string& serverUrl);
+
+        virtual std::vector<ContentConfiguration> getContentConfigurations();
+
+        // TODO: change to "widevine" when HAL service is available
+        virtual std::string getServiceName() {return "default";}
+
+    private:
+        WidevineVTSVendorModule_V1(const WidevineVTSVendorModule_V1&) = delete;
+        void operator=(const WidevineVTSVendorModule_V1&) = delete;
+
+        std::string toString(std::vector<uint8_t> vector) {
+            return std::string(vector.begin(), vector.end());
+        }
+    };
+}; // namespace widevine_vts
+
+#endif //WIDEVINE_VENDOR_VTS_MODULE
+