Roll Skia from 17c5b7024297 to e1e240804211 (20 revisions)

[skia-flutter-autoroll]

https://skia.googlesource.com/skia.git/+log/17c5b7024297..e1e240804211

2020-08-20 [email protected] Roll Chromium from ff3c275665f9 to e45f0c4dce5a (503 revisions)
2020-08-20 [email protected] Roll dawn from b54c82ed3948 to eff9ef0f2212 (2 revisions)
2020-08-20 [email protected] Roll ANGLE from 699bcde to 5dff607 (19 revisions)
2020-08-20 [email protected] Revert "Add utilities to SkGeometry for quad and cubic rotation angles"
2020-08-20 [email protected] Revert "remove sksl interpreter guards"
2020-08-20 [email protected] Revert "Added support for the 'inline' hint on SkSL functions"
2020-08-20 [email protected] Revert "SkSL CPP and H backends no longer emitted in non-dev builds"
2020-08-20 [email protected] Revert "SkSL now supports uniform array types"
2020-08-19 [email protected] Move GrWangsFormula::nextlog2 to sk_float_nextlog2
2020-08-19 [email protected] Remove final vestiges of sk_InColor.
2020-08-19 [email protected] SkSL now supports uniform array types
2020-08-19 [email protected] Add utilities to SkGeometry for quad and cubic rotation angles
2020-08-19 [email protected] update placeholder approx op count
2020-08-19 [email protected] Remove sk_InColor from unit tests.
2020-08-19 [email protected] Remove GrContext variant of SkImageGenerator::isValid
2020-08-19 [email protected] Fix simplification of switch statements with casts.
2020-08-19 [email protected] pass 'nested' bool to approximateOpCount
2020-08-19 [email protected] clean up SK_LATE_DITHER
2020-08-19 [email protected] Added support for the 'inline' hint on SkSL functions
2020-08-19 [email protected] remove sksl interpreter guards

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

[brianosman]

Going to force-land this. All checks passed, other than luci-engine. engine dashboard has two failures, but they both appear to be relatively common flakes.