Roll Skia from 201bcee38a94 to c2a1746b42d9 (4 revisions)

https://skia.googlesource.com/skia.git/+log/201bcee38a94..c2a1746b42d9

2020-12-10 csmartdalton@google.com Implement stroke tessellation with indirect draws
2020-12-09 reed@google.com Assert that SkPath is always internally consistent
2020-12-09 johnstiles@google.com Add support for isinf/isnan intrinsics to SPIR-V.
2020-12-09 johnstiles@google.com Add tests for SkSL intrinsic functions.

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-autoroll
Please CC jmbetancourt@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

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux-blink-rel;luci.chromium.try:linux-chromeos-compile-dbg;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
Cq-Do-Not-Cancel-Tryjobs: true
Bug: None
Tbr: jmbetancourt@google.com
Change-Id: I16dfdb31f59cff592df02b659dbcc85f25d16282
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2583486Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#835505}

DEPS

@@ -199,7 +199,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': '201bcee38a94cce14740e759db7cc2cb35d6be49',
+  'skia_revision': 'c2a1746b42d96f6ec6d8af6bec2b86a5439101f5',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.