Roll Skia from 1a6a1e905518 to 82d1ef7a833e (5 revisions) (#41637)

https://skia.googlesource.com/skia.git/+log/1a6a1e905518..82d1ef7a833e

2023-05-01 [email protected] graphite: support selecting backend of graphite dawn
2023-05-01 [email protected] Remove SkSpecialImage::makeTightSurface
2023-05-01 [email protected] Remove .skvm generation support from skslc.
2023-05-01 [email protected] Remove last SK_GANESH #ifdefs from non-Ganesh SkImage code
2023-05-01 [email protected] Fix fuzzer-discovered error with unnecessary swizzles.

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC [email protected],[email protected],[email protected],[email protected] 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 Flutter: https://github.com/flutter/flutter/issues/new/choose

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

Author: skia-flutter-autoroll

DEPS

@@ -18,7 +18,7 @@ vars = {
   'llvm_git': 'https://llvm.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '1a6a1e905518a5c95024e2f2f4740a88c84a358b',
+  'skia_revision': '82d1ef7a833ee606b8e35f5d3fc6514221adf453',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: e054c1b57a2cbb38872eda12ce56b759
+Signature: 7aa1cedbb79e0a5d9dfe292a9ca0caf8
 
 ====================================================================================================
 LIBRARY: etc1
@@ -384,6 +384,7 @@ FILE: ../../../third_party/skia/modules/pathkit/perf/pathops.bench.js
 FILE: ../../../third_party/skia/modules/pathkit/perf/perfReporter.js
 FILE: ../../../third_party/skia/modules/skparagraph/test.html
 FILE: ../../../third_party/skia/package-lock.json
+FILE: ../../../third_party/skia/relnotes/skimage_methods.md
 FILE: ../../../third_party/skia/relnotes/skimage_subset.md
 FILE: ../../../third_party/skia/src/core/SkOrderedReadBuffer.h
 FILE: ../../../third_party/skia/src/gpu/gpu_workaround_list.txt