Source release v3.4.1

cdm/test/cdm_test_main.cpp

@@ -76,6 +76,7 @@ int main(int argc, char** argv) {
 
 #if defined(OEMCRYPTO_TESTS)
   // Set up the OEMCrypto test harness.
+  // NOTE: This creates a temporary OEMCrypto "instance".
   wvoec::global_features.Initialize(false /* is_cast_receiver */,
                                     false /* force_load_test_keybox */);
   ::testing::GTEST_FLAG(filter)