[DebugInfo] Expose Fortran array debug info attributes through DIBuilder.

The support of a few debug info attributes specifically for Fortran
arrays have been added to LLVM recently, but there's no way to take
advantage of them through DIBuilder. This patch extends
DIBuilder::createArrayType to enable the settings of those attributes.

Patch by Chih-Ping Chen!

Differential Review: https://reviews.llvm.org/D90323