[Modelzoo] Rebuild DLRM to update API and enable DeepRec features.

[chenzhiyin]

TODO:

enable following DeepRec feature:
7) StarServer
8) Auto Micro Batch same with DeepRec-AI#127
9) FusedEmbedding API waiting related PR merged.
10) Smart Stage same with DeepRec-AI#122
11) Auto Graph Fusion DeepRec-AI#144
12) CPU Memory Optimization:START_STATISTIC_STEP, STOP_STATISTIC_STEP, jemalloc
14) AdamAsync Optimizer
15) BF16

Feature Doc:
1 ) Embedding Variable
7) GRPC++
13) Incremental Checkpoint
14) AdagradDecay

（optional, default to closed.)
2) EmbeddingVariable进阶功能：特征淘汰
3) EmbeddingVariable进阶功能：特征准入
4) Dynamic-dimension Embedding Variable
5) Adaptive Embedding
6) Multi-Hash Variable DeepRec-AI#145
17) WorkQueue

[chenzhiyin]

Thank the comments of Duyi, I have revised the corresponding codes.