[QNN EP] Support Equal, Less, LessOrGreater, Greater, GreaterOrEqual operators on HTP backend (#16171)
### Description
- Updates QDQ transformer to handle QDQ logical operators (Equal, Less,
LessOrEqual, Greater, GreaterOrEqual).
- Expects 2 DQ inputs and no Qs in the output, which is boolean.
### Motivation and Context
This is needed to enable QDQ models with logical comparison operators to
run on QNN EP.