Roll Skia from d9a7c5953df3 to 827bb729a84d (2 revisions)

https://skia.googlesource.com/skia.git/+log/d9a7c5953df3..827bb729a84d

2021-05-12 bsalomon@google.com Use rescale in async-rescale-and-read to do non-rescaling conversions.
2021-05-12 brianosman@google.com Move SkSpan to include/, for use in public API

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 robertphillips@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/master/autoroll/README.md

DEPS

@@ -27,7 +27,7 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': 'd9a7c5953df3acafbfc03a2bf5ef89e67f75cfb6',
+  'skia_revision': '827bb729a84dab57bb3f2df928edd7b8e9eab404',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: c8afa8c576b40af414fa76e7692a71fd
+Signature: ad14e06ff342023401deaac90eda0bca
 
 UNUSED LICENSES:
 
@@ -2967,6 +2967,7 @@ FILE: ../../../third_party/skia/include/core/SkCubicMap.h
 FILE: ../../../third_party/skia/include/core/SkFontMetrics.h
 FILE: ../../../third_party/skia/include/core/SkFontParameters.h
 FILE: ../../../third_party/skia/include/core/SkFontTypes.h
+FILE: ../../../third_party/skia/include/core/SkSpan.h
 FILE: ../../../third_party/skia/include/effects/SkOpPathEffect.h
 FILE: ../../../third_party/skia/include/effects/SkShaderMaskFilter.h
 FILE: ../../../third_party/skia/include/effects/SkTrimPathEffect.h
@@ -3042,7 +3043,6 @@ FILE: ../../../third_party/skia/src/core/SkRectPriv.h
 FILE: ../../../third_party/skia/src/core/SkRemoteGlyphCache.cpp
 FILE: ../../../third_party/skia/src/core/SkRemoteGlyphCache.h
 FILE: ../../../third_party/skia/src/core/SkSafeRange.h
-FILE: ../../../third_party/skia/src/core/SkSpan.h
 FILE: ../../../third_party/skia/src/core/SkStrikeCache.cpp
 FILE: ../../../third_party/skia/src/core/SkSurfaceCharacterization.cpp
 FILE: ../../../third_party/skia/src/core/SkTextBlobPriv.h