Tensorflow serializer

[bzhang5]

No description provided.

[codecov]

Codecov Report

Merging #1109 (2e0f2cc) into tengine-lite (baf47d3) will not change coverage.
The diff coverage is n/a.

❗ Current head 2e0f2cc differs from pull request most recent head fc5c617. Consider uploading reports for the commit fc5c617 to get more accurate results

@@              Coverage Diff              @@
##           tengine-lite    #1109   +/-   ##
=============================================
  Coverage         47.70%   47.70%           
=============================================
  Files               419      419           
  Lines             31151    31151           
=============================================
  Hits              14861    14861           
  Misses            16290    16290           

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[BUG1989]

lgtm!