Initial import of Widevine Common Encryption DRM engine

Builds libwvmdrmengine.so, which is loaded by the new
MediaDrm APIs to support playback of Widevine/CENC
protected content.

Change-Id: I6f57dd37083dfd96c402cb9dd137c7d74edc8f1c

libwvdrmengine/src/WVUUID.cpp

@@ -0,0 +1,26 @@
+//
+// Copyright 2013 Google Inc. All Rights Reserved.
+//
+
+#include "WVUUID.h"
+
+#include <string.h>
+
+namespace wvdrm {
+
+bool isWidevineUUID(const uint8_t uuid[16]) {
+  static const uint8_t kWidevineUUID[16] = {
+    0xED,0xEF,0x8B,0xA9,0x79,0xD6,0x4A,0xCE,
+    0xA3,0xC8,0x27,0xDC,0xD5,0x1D,0x21,0xED
+  };
+
+  static const uint8_t kOldNetflixWidevineUUID[16] = {
+    0x29,0x70,0x1F,0xE4,0x3C,0xC7,0x4A,0x34,
+    0x8C,0x5B,0xAE,0x90,0xC7,0x43,0x9A,0x47
+  };
+
+  return !memcmp(uuid, kWidevineUUID, 16) ||
+      !memcmp(uuid, kOldNetflixWidevineUUID, 16);
+}
+
+} // namespace wvdrm