Roll src/third_party/skia/ d8a189fca..5226b777e (2 commits; 1 trivial rolls)

https://skia.googlesource.com/skia.git/+log/d8a189fca3cd..5226b777edee

$ git log d8a189fca..5226b777e --date=short --no-merges --format='%ad %ae %s'
2018-05-03 ethannicholas fix for SPIR-V sk_in definition which was upsetting Intel NUC

Created with:
  roll-dep src/third_party/skia


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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
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CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel;luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
TBR=brianosman@chromium.org

Change-Id: I5e41c49c321193f51399b7ce39cfb870102dc166
Reviewed-on: https://chromium-review.googlesource.com/1043662Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#556033}

DEPS

@@ -96,7 +96,7 @@ 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': 'd8a189fca3cdfa064de75a280d5af34cc5026bbe',
+  'skia_revision': '5226b777edeef1b8168c9cf7f4fb34a0fdc606a1',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.