Revert "Revert "unified Vulkan uniform buffers""

This reverts commit 19754b547023accf29f6305108a70538c3d2e532.

Bug: skia:
Change-Id: Ie531a962934ee1909fecda59a5ee48c98e66f898
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/234900
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
14 files changed