Roll src/third_party/skia/ 4824ed05a..05cfcff70 (4 commits)

https://skia.googlesource.com/skia.git/+log/4824ed05ac12..05cfcff70ced

$ git log 4824ed05a..05cfcff70 --date=short --no-merges --format='%ad %ae %s'
2018-05-04 caryclark Reland "remove obsolete color defines"
2018-05-03 bsalomon Make the src rects of truths in SkLatticeIter be integral.
2018-05-04 halcanary SkExecutor: use SkLeanWindows.h
2018-05-04 borenet [infra] Remove PDFium bot and associated recipe code

Created with:
  roll-dep src/third_party/skia
BUG=chromium:b/77917978


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: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: I1981e0b753e8046f7646b3d0c4bf1fdce1085310
Reviewed-on: https://chromium-review.googlesource.com/1044526
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@{#556123}

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': '4824ed05ac126a4de5322f93e5af821d611b974d',
+  'skia_revision': '05cfcff70ced3af834e0c9c5309f98bd6662f851',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.