message: Enable memory profile tracing by default in BFCAllocator.
diff: @@ -465,12 +465,6 @@ void BFCAllocator::AddTraceMe(absl::string_view traceme_name, const void* ptr) {
  void BFCAllocator::AddTraceMe(absl::string_view traceme_name,
  const void* chunk_ptr, int64 req_bytes,
  int64 alloc_bytes) {
  - // Internal users will see the memory profile with default trace level.
  - auto traceme_level = profiler::TraceMeLevel::kVerbose;
  -#ifdef PLATFORM_GOOGLE
  - traceme_level = profiler::TraceMeLevel::kInfo;
  -#endif
  -
  tensorflow::profiler::TraceMe trace_me(
  [&]() TF_EXCLUSIVE_LOCKS_REQUIRED(lock_) {
  AllocatorStats stats = stats_;
  @@ -496,7 +490,7 @@ void BFCAllocator::AddTraceMe(absl::string_view traceme_name,
  ",data_type=", annotation.pending_data_type,
  ",shape=", tensor_shape, "#");
  },
  - traceme_level);
  + /*level=*/profiler::TraceMeLevel::kInfo);
  }
  void* BFCAllocator::FindChunkPtr(BinNum bin_num, size_t rounded_bytes,
  