Roll Skia from 463d729cd6db to 3fdc49f35718 (4 revisions)

https://skia.googlesource.com/skia.git/+log/463d729cd6db..3fdc49f35718

2020-06-03 bsalomon@google.com Always call release procs on SkSurface GPU factories
2020-06-03 bsalomon@google.com Only set GL tex base/max MIP level if supported
2020-06-03 kjlubick@google.com [canvaskit] Speculative fix for flaky dommatrix test
2020-06-03 ethannicholas@google.com Revert "Revert "Omit dead SkSL 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 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: Id46278d0815918a610a145e145011eecf1d74e8a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2229258Reviewed-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@{#774732}

DEPS

@@ -182,7 +182,7 @@ 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': '463d729cd6db7e06babddbe351c8df4b7789ba5b',
+  'skia_revision': '3fdc49f35718bad50a0afc12294519673de8dfe8',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.