Revert "Revert "added more SPIR-V RelaxedPrecision decorations""

This reverts commit 5155e09d146665be078494247092fa990d5ae4a7.

Bug: skia:
Change-Id: Ie2df5d64a0f4f76806f3edc9c934ec81d16ee128
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/208678
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
2 files changed