Merge changes I095f893b,I14d40676

* changes:
  Adds a VersionInfo message to SignedMessage
  Add UsageTableHeader metrics

libwvdrmengine/cdm/core/src/crypto_session.cpp

@@ -861,6 +861,7 @@ CdmResponseType CryptoSession::Open(SecurityLevel requested_security_level) {
             }
           }
           usage_table_header_ = *header;
+          metrics_->usage_table_header_initial_size_.Record((*header)->size());
         }
       }
     }