message: Update memory stats profiling in BFCAllocator.
diff: @@ -445,18 +445,16 @@ void BFCAllocator::AddTraceMe(absl::string_view traceme_name) {
  tensorflow::profiler::TraceMe trace_me(
  [&]() EXCLUSIVE_LOCKS_REQUIRED(lock_) {
  AllocatorStats stats = stats_;
  - double fragmentation = GetFragmentation();
  int64 bytes_available =
  memory_limit_ - stats.bytes_reserved - stats.bytes_in_use;
  return absl::StrCat(traceme_name, "#allocator_name=", name_,
  ",bytes_reserved=", stats.bytes_reserved,
  ",bytes_allocated=", stats.bytes_in_use,
  ",bytes_available=", bytes_available,
  - ",fragmentation=", fragmentation,
  ",peak_bytes_in_use=", stats.peak_bytes_in_use,
  "#");
  },
  - /*level=*/3);
  + /*level=*/profiler::TraceMeLevel::kInfo);
  }
  void* BFCAllocator::FindChunkPtr(BinNum bin_num, size_t rounded_bytes,
  