message: Take the replication factor into account when computing the access count.
  Summary: Ref T15535
  Test Plan: All CI tests pass
  Reviewers: #tensorflow, #framework_ip_review_-_any_oss_or_third-party_code_use_has_been_approved, georgep
  Maniphest Tasks: T15535
diff: @@ -105,7 +105,7 @@ class IpuHostEmbeddingOp : public AsyncOpKernel {
  int lookup_count, int update_count,
  AsyncOpKernel::DoneCallback done)
  : encoding_width_(embedding.dim_size(1)),
  - access_count_(lookup_count + update_count),
  + access_count_(replication_factor * (lookup_count + update_count)),
  embedding_(std::move(embedding)),
  done_(std::move(done)),
  lookup_indices_(replication_factor),
  