[clang-tidy] ignore builtin varargs from pro-type-vararg-check

Disables the check from warning on some built in vararg functions, Address [[ https://bugs.llvm.org/show_bug.cgi?id=45860 | Clang-tidy should not consider __builtin_constant_p a variadic function. ]]

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D80887