Roll src/third_party/skia 04513752fd6e..9b56cea5fa35 (1 commits)

https://skia.googlesource.com/skia.git/+log/04513752fd6e..9b56cea5fa35

git log 04513752fd6e..9b56cea5fa35 --date=short --first-parent --format='%ad %ae %s'
2020-04-06 kjlubick@google.com [canvaskit] Add test and gm for 4x4 matrix

Created with:
  gclient setdep -r src/third_party/skia@9b56cea5fa35

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 csmartdalton@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/+/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: csmartdalton@google.com
Change-Id: Ifcb3f6a1435350bb71d4b08d08c6ce1250e7d3f9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2137372Reviewed-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@{#756664}

DEPS

@@ -175,7 +175,7 @@ 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': '04513752fd6e30a9bc4181e7fd901908a432ad0b',
+  'skia_revision': '9b56cea5fa352d16c7e4af8197c1c2ce3470de85',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.