Send ktest-to-cxx info output to stdout instead of stderr

The output of test results from gtest gets sent to stdout, so it makes more
sense to send this to stdout, as well.

Signed-off-by: Michael Richters <gedankenexperimenter@gmail.com>

testing/bin/ktest-to-cxx

@@ -361,7 +361,7 @@ sub generate_script {
     # We should do this better, inside the core. But until we do
     # I'd rather stick the macro in the code generator so nobody
     # gets to use it from regular tests, boxing us in
-    cxx('#define GTEST_COUT std::cerr << "[ INFO     ] "');
+    cxx('#define GTEST_COUT std::cout << "[ INFO     ] "');
 
     generate_start_new_test('KtestSourceFilename');
     cxx(