Add BSN / BMN results with feature extracted by mmaction

[kennymckormick]

Add BSN / BMN results with feature extracted by mmaction

[codecov]

Codecov Report

Merging #99 into master will increase coverage by 0.13%.
The diff coverage is 95.38%.

@@            Coverage Diff             @@
##           master      #99      +/-   ##
==========================================
+ Coverage   85.32%   85.46%   +0.13%     
==========================================
  Files          75       76       +1     
  Lines        4083     4136      +53     
  Branches      652      661       +9     
==========================================
+ Hits         3484     3535      +51     
- Misses        493      494       +1     
- Partials      106      107       +1     

Flag	Coverage Δ
#unittests	85.46% <95.38%> (+0.13%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mmaction/datasets/pipelines/__init__.py	100.00% <ø> (ø)
mmaction/models/backbones/resnet.py	94.27% <0.00%> (ø)
mmaction/models/backbones/resnet3d.py	89.69% <ø> (ø)
mmaction/models/heads/base.py	85.71% <ø> (ø)
mmaction/apis/inference.py	81.81% <66.66%> (-1.21%)	⬇️
mmaction/models/backbones/resnet3d_csn.py	97.36% <97.36%> (ø)
mmaction/datasets/base.py	92.50% <100.00%> (+0.60%)	⬆️
mmaction/datasets/pipelines/loading.py	93.86% <100.00%> (+0.07%)	⬆️
mmaction/datasets/rawframe_dataset.py	87.62% <100.00%> (+0.26%)	⬆️
mmaction/datasets/video_dataset.py	85.24% <100.00%> (+0.50%)	⬆️
... and 3 more

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[dreamerlin]

LGTM

[kennymckormick]

@innerlee seems OK