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/oemcrypto/mock/src/wvcrc32.h

@@ -0,0 +1,16 @@
+/*********************************************************************
+ * wvcrc32.h
+ *
+ * (c) Copyright 2011-2012 Google, Inc.
+ *
+ * Compte CRC32 Checksum. Needed for verification of WV Keybox.
+ *********************************************************************/
+
+#ifndef WV_CRC_32_H_
+#define WV_CRC_32_H_
+
+#include <stdint.h>
+
+uint32_t wvcrc32(uint8_t* p_begin, int i_count);
+
+#endif //  WV_CRC_32_H_