[clang] AST/Print: honor AlwaysIncludeTypeForTemplateArgument policy

This redoes D103040 in a way that `AlwaysIncludeTypeForTemplateArgument = false`
policy is honored for printing template specialization types.
This can be seen for example when printing a canonicalized
dependent TemplateSpecializationType which has integral arguments.

Signed-off-by: Matheus Izvekov <mizvekov@gmail.com>

Reviewed By: v.g.vassilev

Differential Revision: https://reviews.llvm.org/D126620