Roll src/third_party/skia/ af18f22da..8402542da (2 commits)

https://skia.googlesource.com/skia.git/+log/af18f22da6c5..8402542dac9e

$ git log af18f22da..8402542da --date=short --no-merges --format='%ad %ae %s'
2018-03-15 benjaminwagner Fix GPU dimension for Win2k8 QuadroP400 jobs.
2018-03-15 robertphillips Handle GrContext creation failure in DDL

Created with:
  roll-dep src/third_party/skia


The AutoRoll server is located here: https://autoroll.skia.org

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel;luci.chromium.try:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
TBR=stephana@chromium.org

Change-Id: Ic57c00d3249f6c25f3156cfd976c27bf0f2f6d51
Reviewed-on: https://chromium-review.googlesource.com/965253
Commit-Queue: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#543574}

DEPS

@@ -79,7 +79,7 @@ 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': 'af18f22da6c53346a326dcb0c1b237e20ca44fe4',
+  'skia_revision': '8402542dac9e90dcaf2712d187ac96ee191ab187',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.