Roll src/third_party/skia 45c948791441..d960cc31b658 (2 commits)

https://skia.googlesource.com/skia.git/+log/45c948791441..d960cc31b658

git log 45c948791441..d960cc31b658 --date=short --first-parent --format='%ad %ae %s'
2020-01-29 fmalita@chromium.org [skottie] Cleanup: remove unused header
2020-01-29 robertphillips@google.com Update wacky_yuv_formats GM to demonstrate YUV resizing on the GPU

Created with:
  gclient setdep -r src/third_party/skia@d960cc31b658

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 reed@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: reed@google.com
Change-Id: If35ed000890178ec5609ce393c81d060cb1f4da1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2028008Reviewed-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@{#736413}

DEPS

@@ -177,7 +177,7 @@ 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': '45c9487914413e23ce2131c288099d2d49e559aa',
+  'skia_revision': 'd960cc31b658fa928603a62d942370a43064b46e',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.