[AArch64 NEON] Fix generating incorrect value type of NEON_VDUPLANE
when lower build_vector if result value type mismatch with operand
value type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198743 91177308-0d34-0410-b5e6-96231b3b80d8