Roll src/third_party/skia e59f718fc277..efb2133b0dd3 (6 commits)

https://skia.googlesource.com/skia.git/+log/e59f718fc277..efb2133b0dd3

git log e59f718fc277..efb2133b0dd3 --date=short --first-parent --format='%ad %ae %s'
2020-04-21 brianosman@google.com Update CK particle examples
2020-04-21 bsalomon@google.com Notify RTC when OpsTask is closed so it can drop ownership
2020-04-21 egdaniel@google.com Create a shared spirv uniform and varying handling class.
2020-04-21 robertphillips@google.com Add path renderer selection spew
2020-04-21 jvanverth@google.com Implement GrD3DGpu::onReadPixels and GrD3DGpu::onWritePixels.
2020-04-21 lepton@chromium.org Allow empty rendertests commandline flags.

Created with:
  gclient setdep -r src/third_party/skia@efb2133b0dd3

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 jcgregorio@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: jcgregorio@google.com
Change-Id: I9564145e4938b767261bc992a81ac6163357278e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2159141Reviewed-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@{#761092}

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': 'e59f718fc2770b58f2921c45c28d2f04b9bc68ba',
+  'skia_revision': 'efb2133b0dd34e6d2719f83b7f9485523382cdb1',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.