[Open Screen] Fix/remove some TODOs in util/

- Replace OSP_LOG with OSP_LOG_INFO
- Remove TODO in scoped_trace_operations_unittest.cc
- Update TODO in yet_another_bit_vector.cc

Bug: openscreen:52
Change-Id: I6584413aeb0d20dc09a91f7744092d3963d62224
Reviewed-on: https://chromium-review.googlesource.com/c/openscreen/+/2063423
Reviewed-by: Ryan Keane <rwkeane@google.com>
Reviewed-by: Yuri Wiitala <miu@chromium.org>
Commit-Queue: mark a. foltz <mfoltz@chromium.org>
diff --git a/platform/impl/logging_posix.cc b/platform/impl/logging_posix.cc
index 412876c..2041077 100644
--- a/platform/impl/logging_posix.cc
+++ b/platform/impl/logging_posix.cc
@@ -52,7 +52,7 @@
     g_log_fd = STDERR_FILENO;
   }
 
-  // Note: The use of OSP_CHECK/OSP_LOG here will log to stderr.
+  // Note: The use of OSP_CHECK/OSP_LOG_* here will log to stderr.
   struct stat st = {};
   int open_result = -1;
   if (stat(filename, &st) == -1 && errno == ENOENT) {