Accept features in AutoMLSearch and add DFSTransformer to AutoML pipelines

[jeremyliweishih]

Fixes #2919.

[codecov]

Codecov Report

Merging #3309 (37c4b90) into main (129e76a) will increase coverage by 0.1%.
The diff coverage is 100.0%.

@@           Coverage Diff           @@
##            main   #3309     +/-   ##
=======================================
+ Coverage   99.6%   99.7%   +0.1%     
=======================================
  Files        329     329             
  Lines      32241   32394    +153     
=======================================
+ Hits       32112   32265    +153     
  Misses       129     129             

Impacted Files	Coverage Δ
evalml/tests/component_tests/test_components.py	99.3% <ø> (ø)
...valml/automl/automl_algorithm/default_algorithm.py	100.0% <100.0%> (ø)
...lml/automl/automl_algorithm/iterative_algorithm.py	98.4% <100.0%> (+0.1%)	⬆️
evalml/automl/automl_search.py	99.7% <100.0%> (+0.1%)	⬆️
evalml/pipelines/component_graph.py	99.8% <100.0%> (+0.1%)	⬆️
...ponents/transformers/preprocessing/featuretools.py	100.0% <100.0%> (ø)
evalml/pipelines/utils.py	99.5% <100.0%> (+0.1%)	⬆️
evalml/tests/automl_tests/test_automl.py	99.5% <100.0%> (+0.1%)	⬆️
...valml/tests/automl_tests/test_default_algorithm.py	100.0% <100.0%> (ø)
...lml/tests/automl_tests/test_iterative_algorithm.py	100.0% <100.0%> (ø)
... and 3 more

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[jeremyliweishih]

AFAIK this is the only case where a component will come out of make_pipelines with a component that alters y as the very first component. I could add more logic here but that would involve instantiating a component and checking if it affects x or y.

[chukarsten]

Left a few questions, mostly for my education and understanding, but this looks good and looks like you accomplished what you set off to do!