Fix benchmark test flow with dynamic shape.

[zhangyang2057]

• Extract actual fps only for dynamic model
• Fix tflite test runner to run dynamic model

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (77be775) 79.22% compared to head (b0ed7ad) 79.22%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1095   +/-   ##
=======================================
  Coverage   79.22%   79.22%           
=======================================
  Files         689      689           
  Lines       24267    24267           
=======================================
  Hits        19226    19226           
  Misses       5041     5041           

Flag	Coverage Δ
integration	41.08% <ø> (ø)
unit	72.22% <ø> (ø)

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[github-actions]

Test Results

5 591 tests  ±0   5 591 ✔️ ±0   13m 52s ⏱️ + 3m 31s
       6 suites ±0          0 💤 ±0 
       6 files   ±0          0 ❌ ±0 

Results for commit b0ed7ad. ± Comparison against base commit 77be775.

♻️ This comment has been updated with latest results.