Roll Skia from 08447e03c736 to b4a893827b2a (4 revisions)

https://skia.googlesource.com/skia.git/+log/08447e03c736..b4a893827b2a

2023-08-07 brianosman@google.com Only skip (BitmapProcState) Init_hsw when building for AVX2+
2023-08-07 skia-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from 33af718d939e to c46d48f777b7 (5 revisions)
2023-08-07 johnstiles@google.com Disable CommaExpressionsAllowInlining in WebGL2.
2023-08-07 brianosman@google.com blit_row_color32 doesn't need to support separate src/dst pointers

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-autoroll
Please CC kjlubick@google.com,skiabot@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
To file a bug in Chromium: https://bugs.chromium.org/p/chromium/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux-blink-rel;luci.chromium.try:linux-chromeos-compile-dbg;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
Cq-Do-Not-Cancel-Tryjobs: true
Bug: None
Tbr: kjlubick@google.com
Change-Id: I93c1492662f0a188f3ade4cdf36927a6e8fe6ac6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4756098
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1180621}