Widevine CENC drm engine update: enable decryption

This import syncs to the widevine git repostiory change
commit ab3e1e43642cf36900f55169597a33f222709fdb

Change-Id: I3a6f1e2969e5fe7ed1ca12f90b0eb0a3b7899835

libwvdrmengine/cdm/include/properties_configuration.h

@@ -10,7 +10,11 @@ namespace wvcdm {
 
 // set property values below
 static CdmBooleanProperties kCdmBooleanProperties[] = {
-  { .name = kPropertyKeyBeginLicenseUsageWhenReceived, .value = false }
+  { kPropertyKeyBeginLicenseUsageWhenReceived, false },
+  { kPropertyKeyRequireExplicitRenewRequest, false },
+  { kPropertyKeyOemCryptoUseSecureBuffers, true },
+  { kPropertyKeyOemCryptoUseFifo, false },
+  { kPropertyKeyOemCryptoUseUserSpaceBuffers, false },
 };
 
 } // namespace wvcdm

libwvdrmengine/cdm/include/wv_content_decryption_module.h

@@ -60,11 +60,11 @@ class WvContentDecryptionModule {
   virtual CdmResponseType Decrypt(const CdmSessionId& session_id,
                                   bool is_encrypted,
                                   const KeyId& key_id,
-                                  const uint8_t* encrypted_buffer,
-                                  size_t encrypted_size,
+                                  const uint8_t* encrypt_buffer,
+                                  size_t encrypt_length,
                                   const std::vector<uint8_t>& iv,
                                   size_t block_offset,
-                                  uint8_t* decrypted_buffer);
+                                  void* decrypt_buffer);
 
   // Event listener related methods
   virtual bool AttachEventListener(CdmSessionId& session_id,