Roll src/third_party/skia 12e3df13cfa5..7c42e01cedb9 (3 commits)

https://skia.googlesource.com/skia.git/+log/12e3df13cfa5..7c42e01cedb9


git log 12e3df13cfa5..7c42e01cedb9 --date=short --no-merges --format='%ad %ae %s'
2018-08-20 borenet@google.com [infra] Speculative fix for vpython cache
2018-08-20 fmalita@chromium.org [skottie] Pre-flight animation in-point, out-point
2018-08-20 borenet@google.com [docs] Remove outdated section about automatic tree closures


Created with:
  gclient setdep -r src/third_party/skia@7c42e01cedb9

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=fmalita@chromium.org

Change-Id: Id17ad05e3c0b8cadc8ee97a27729c4efa4e0208c
Reviewed-on: https://chromium-review.googlesource.com/1181183Reviewed-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@{#584467}

DEPS

@@ -105,7 +105,7 @@ 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': '12e3df13cfa50801b71adc586f791b3c5001aa67',
+  'skia_revision': '7c42e01cedb95e052751d3136901851e2be25e6e',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.