[TensorExpr] Support boolean in simplifier (#44659)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/44659
Test Plan: test_tensorexpr --gtest_filter=TensorExprTest.ConstantFoldCastToBool
Reviewed By: ngimel
Differential Revision: D23714675
Pulled By: asuhan
fbshipit-source-id: 4c18d972b628d5ad55bad58eddd5f6974e043d9c
