Revert "Removed name string field from SkSLType"

This reverts commit 2df03e64bf62ca729004b4de05ac9c897447d32c.

Reason for revert: Unhappy bots

Original change's description:
> Removed name string field from SkSLType
>
> This field wasn't really necessary, and was just bloating Type and
> causing a lot of extra String creation. This one change reduces the
> size of a new Compiler by ~2.4KB.
>
> Change-Id: Ie90c565d669d2caaa61056015ea2119fe61c1844
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/423298
> Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
> Reviewed-by: John Stiles <johnstiles@google.com>

TBR=brianosman@google.com,ethannicholas@google.com,johnstiles@google.com,skcq-be@skia-corp.google.com.iam.gserviceaccount.com

Change-Id: I3959961d00749addc99cf97b6e2d50a172bf4b25
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/433158
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
8 files changed