Roll Skia from 4a15805bc3cc to e8a71c76b88f (16 revisions)

https://skia.googlesource.com/skia.git/+log/4a15805bc3cc..e8a71c76b88f

2023-06-05 johnstiles@google.com Remove compound-constructor helper functions from WGSL.
2023-06-05 johnstiles@google.com Remove mat2-to-vec4-cast helper function from WGSL.
2023-06-05 johnstiles@google.com Remove matrix-resize helper functions from WGSL.
2023-06-05 skia-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from 0dbc9230a24f to 3c250b5ab450 (1 revision)
2023-06-05 herb@google.com Use the new quadratic root code in RootsReal
2023-06-05 armansito@google.com [graphite][compute] Crude size reduction for vello bump buffers
2023-06-05 armansito@google.com [graphite][compute] Minor VelloScene changes for atlasing
2023-06-05 ccameron@chromium.org SkGainmapInfo: Include Adobe Gain Map license notice
2023-06-05 cmumford@google.com [infra] bump Radeon Vega drivers to 1002:1636-31.0.14057.5006
2023-06-05 johnstiles@google.com Remove matrix-equality helper functions from WGSL.
2023-06-05 johnstiles@google.com Remove diagonal-matrix helper functions from WGSL.
2023-06-05 michaelludwig@google.com Rename src/codec/SkColorTable to src/codec/SkColorPalette
2023-06-05 johnstiles@google.com Add WGSL support for break, continue, and nop statements.
2023-06-05 kjlubick@google.com Make SkShaders a namespace and move SkPerlinNoiseShader functions into it
2023-06-05 michaelludwig@google.com [skif] Apply decal at layer resolution
2023-06-05 kjlubick@google.com Enforce IWYU on GrBackendSurface and reduce inclusions of it in headers

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://skia-autoroll.corp.goog/r/android-master-autoroll
Please CC djsollen@google.com,rmistry@google.com,scroggo@google.com on the revert to ensure that a human
is aware of the problem.

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

Test: Presubmit checks will test this change.
Exempt-From-Owner-Approval: The autoroll bot does not require owner approval.
Bug: b/280927575
Bug: b/285189802
Bug: b/186777432
Change-Id: Ice779a6e2acbe3159d9f999388464a734bead1df