Adds a VersionInfo message to SignedMessage

[ Merge from http://go/wvgerrit/72724 ]

This adds a message that contains SDK and service version information
useful for debugging problems that occur because of different services.

BUG: 80536436

Test: Unit tests and manual GPlay testing.
Change-Id: I095f893b907ea7c2cd149155fb2cd4c7181e7bb2

libwvdrmengine/cdm/core/src/cdm_session.cpp

@@ -515,6 +515,11 @@ CdmResponseType CdmSession::AddKeyInternal(const CdmKeyResponse& key_response) {
     }
     sts = license_parser_->HandleKeyResponse(key_response);
 
+    // Update the license sdk and service versions.
+    const VersionInfo& version_info = license_parser_->GetServiceVersion();
+    metrics_->license_sdk_version_.Record(version_info.license_sdk_version());
+    metrics_->license_sdk_version_.Record(version_info.license_service_version());
+
     // Update or delete entry if usage table header+entries are supported
     if (usage_support_type_ == kUsageEntrySupport &&
         !provider_session_token.empty() && usage_table_header_ != NULL) {