Roll Skia from 95b5fb9 to 68ac3b9 (17 revisions)

https://skia.googlesource.com/skia.git/+log/95b5fb9213d7..68ac3b9ec3ca

2020-11-24 [email protected] Revert "Move GL's SkSL::Compiler to the GPU (like all other backends)"
2020-11-24 [email protected] Roll Dawn from 546a7c98c897 to 03badec5d73a (3 revisions)
2020-11-24 [email protected] Roll ANGLE from ebf890fcf9f3 to 1b413197a6d7 (13 revisions)
2020-11-24 [email protected] Roll SwiftShader from 6d612051c083 to 43bb60e1fa11 (6 revisions)
2020-11-24 [email protected] Return the contour's final point from SkPath::RangeIter in kClose
2020-11-24 [email protected] Reland "Always tweak matrix for consistent opt"
2020-11-24 [email protected] Revert "Always tweak matrix for consistent opt"
2020-11-24 [email protected] hide legacy scalePixels and makeShader
2020-11-24 [email protected] Always tweak matrix for consistent opt
2020-11-23 [email protected] Add support for strided loads to GrVx
2020-11-23 [email protected] macro hygiene in SkVx.h
2020-11-23 [email protected] Avoid inlining functions that are called repeatedly.
2020-11-23 [email protected] Flatten out constructors nested inside constructors.
2020-11-23 [email protected] Fix SPIR-V golden output file extensions.
2020-11-23 [email protected] Move GL's SkSL::Compiler to the GPU (like all other backends)
2020-11-23 [email protected] Incremental removal of internal dependence on SkFilterQuality
2020-11-23 [email protected] Add unit test demonstrating output from Gaussian blur.

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] 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

@@ -26,7 +26,7 @@ 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': '95b5fb9213d745aa8dd435044ca771554f2a3794',
+  'skia_revision': '68ac3b9ec3ca100d4e0ade78d8b7be9a4aec6211',
 
   # 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: a121686ab2eb73fdd1b4885c2a659e57
+Signature: ac39b76f04db1e71cb6f720dbbcbf60f
 
 UNUSED LICENSES: