Roll Skia from 2ad3dfb46bb6 to 4af57c9c55fd (6 revisions)

https://skia.googlesource.com/skia.git/+log/2ad3dfb46bb6..4af57c9c55fd

2020-06-02 bsalomon@google.com Check for sync extensions only on correct context types
2020-06-02 reed@google.com Revert "Revert "gms for SkParagraph""
2020-06-02 mtklein@google.com does -fms-compatibility-version=19 still matter?
2020-06-02 herb@google.com Make strike fields private
2020-06-02 nifong@google.com A example of 3D rotation that shows a quotation with all the glyphs rotated.
2020-06-02 michaelludwig@google.com Add localmatrix w/ perspective GM

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 tdenniston@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
Bug: None
Tbr: tdenniston@google.com
Change-Id: I9804c0609a41ac050a00d0cffa7e7fc2b932cbc4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2227161Reviewed-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@{#774363}

DEPS

@@ -178,7 +178,7 @@ 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': '2ad3dfb46bb61644806ac6f80f444317704a0fc5',
+  'skia_revision': '4af57c9c55fd9ea077315be3063306f1bfba9081',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.