Migrate intrinsic-kind map into shared code.

Previously, our mapping table of intrinsic names was only accessible
to FunctionDeclaration.

Change-Id: Ib3167cc65dfc87989c1419369a72fda27a600e78
Bug: skia:13730
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/578641
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
15 files changed