Roll src/third_party/skia 7a175ef2c68a..ddad4c60aec3 (2 commits)

https://skia.googlesource.com/skia.git/+log/7a175ef2c68a..ddad4c60aec3

git log 7a175ef2c68a..ddad4c60aec3 --date=short --first-parent --format='%ad %ae %s'
2020-02-14 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go Deps
2020-02-14 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 74ab0bffb526..d5861a68d9f7 (9 commits)

Created with:
  gclient setdep -r src/third_party/skia@ddad4c60aec3

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 stani@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: stani@google.com
Change-Id: I8e32cd481c7a6741cacc15311203521c97f18bde
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2056305Reviewed-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@{#741376}

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': '7a175ef2c68adef0129897dfea3cf3108932b461',
+  'skia_revision': 'ddad4c60aec368672315665216825d2a678376a5',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.