Roll src/third_party/skia 9dbb98007b7b..4bdd08e3ef7e (1 commits)

https://skia.googlesource.com/skia.git/+log/9dbb98007b7b..4bdd08e3ef7e

git log 9dbb98007b7b..4bdd08e3ef7e --date=short --first-parent --format='%ad %ae %s'
2020-02-18 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 2dd40d7fa75c..c8676d4ba37d (10 commits)

Created with:
  gclient setdep -r src/third_party/skia@4bdd08e3ef7e

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 lovisolo@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: lovisolo@google.com
Change-Id: I0e747b89a0132eb7ae4279883ea88e84566385da
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2061121Reviewed-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@{#742074}

DEPS

@@ -171,7 +171,7 @@ 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': '9dbb98007b7b001fd5ad570a6e0e3df1e8c6b4f0',
+  'skia_revision': '4bdd08e3ef7eb792c82d2f9e261a444835715fa5',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.