[JIT] remove list appends (#33199)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/33199
Remove list appends when we can match them with a list construction. This helps create a larger functional graph
Test Plan: Imported from OSS
Differential Revision: D20603187
Pulled By: eellison
fbshipit-source-id: a60e933b457479d40960994d8ffdf39ef49eaf6e
