Canary roll Skia to refs/changes/27/930127/6

Manual roll requested by skia-flutter-autoroll

https://skia.googlesource.com/skia.git/+log/dca47129cf2e..refs/changes/27/930127/6

DO_NOT_SUBMIT: This canary roll is only for testing

Documentation for Autoroller Canaries is here:
go/autoroller-canary-bots (Googlers only)

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Commit: false

DEPS

@@ -14,7 +14,7 @@ vars = {
   'flutter_git': 'https://flutter.googlesource.com',
   'skia_git': 'https://skia.googlesource.com',
   'llvm_git': 'https://llvm.googlesource.com',
-  'skia_revision': 'dca47129cf2e123987dcffb154b59f2570efb2ec',
+  'skia_revision': 'refs/changes/27/930127/6',
 
   # 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: a9b42f2b63c636a23579a7bb1c551b21
+Signature: 1e76251e8c32577bc89f7df91ef33ef4
 
 ====================================================================================================
 LIBRARY: etc1
@@ -3129,8 +3129,6 @@ ORIGIN: ../../../flutter/third_party/skia/include/private/base/SkThreadID.h + ..
 ORIGIN: ../../../flutter/third_party/skia/include/svg/SkSVGCanvas.h + ../../../flutter/third_party/skia/LICENSE
 ORIGIN: ../../../flutter/third_party/skia/include/utils/SkPaintFilterCanvas.h + ../../../flutter/third_party/skia/LICENSE
 ORIGIN: ../../../flutter/third_party/skia/src/base/SkSemaphore.cpp + ../../../flutter/third_party/skia/LICENSE
-ORIGIN: ../../../flutter/third_party/skia/src/base/SkSharedMutex.cpp + ../../../flutter/third_party/skia/LICENSE
-ORIGIN: ../../../flutter/third_party/skia/src/base/SkSharedMutex.h + ../../../flutter/third_party/skia/LICENSE
 ORIGIN: ../../../flutter/third_party/skia/src/base/SkSpinlock.cpp + ../../../flutter/third_party/skia/LICENSE
 ORIGIN: ../../../flutter/third_party/skia/src/base/SkSpinlock.h + ../../../flutter/third_party/skia/LICENSE
 ORIGIN: ../../../flutter/third_party/skia/src/base/SkTDPQueue.h + ../../../flutter/third_party/skia/LICENSE
@@ -3404,8 +3402,6 @@ FILE: ../../../flutter/third_party/skia/include/private/base/SkThreadID.h
 FILE: ../../../flutter/third_party/skia/include/svg/SkSVGCanvas.h
 FILE: ../../../flutter/third_party/skia/include/utils/SkPaintFilterCanvas.h
 FILE: ../../../flutter/third_party/skia/src/base/SkSemaphore.cpp
-FILE: ../../../flutter/third_party/skia/src/base/SkSharedMutex.cpp
-FILE: ../../../flutter/third_party/skia/src/base/SkSharedMutex.h
 FILE: ../../../flutter/third_party/skia/src/base/SkSpinlock.cpp
 FILE: ../../../flutter/third_party/skia/src/base/SkSpinlock.h
 FILE: ../../../flutter/third_party/skia/src/base/SkTDPQueue.h