[VPlan] Add non-poison propagating LogicalAnd VPInstruction opcode. (#91897)

Add a new opcode to mode non-poison propagating logical AND operations
used when generating edge masks. This follows the similar decision to
model Not as dedicated opcode as well, to improve clarity.

This also helps to simplify the matchers for
https://github.com/llvm/llvm-project/pull/89386.


PR: https://github.com/llvm/llvm-project/pull/91897