Roll src/third_party/skia/ e980174d0..5373609d9 (3 commits)

https://skia.googlesource.com/skia.git/+log/e980174d0f3a..5373609d90d8

$ git log e980174d0..5373609d9 --date=short --no-merges --format='%ad %ae %s'
2017-05-23 mtklein add knob to turn off fancy SkJumper features
2017-05-23 reed color-correct patch
2017-05-23 scroggo Add animation support to SkWebpCodec

Created with:
  roll-dep src/third_party/skia


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

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls


CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel
TBR=brianosman@chromium.org

Change-Id: I7ebd59e3a37daf1b825f0fcbb9d7645cba8cfeeb
Reviewed-on: https://chromium-review.googlesource.com/512704Reviewed-by: Skia Deps Roller <skia-deps-roller@chromium.org>
Commit-Queue: Skia Deps Roller <skia-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#474011}

DEPS

@@ -40,7 +40,7 @@ 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': 'e980174d0f3af8e497d9c38851114cc6a3c02e9a',
+  'skia_revision': '5373609d90d8f84b75718b15f3522f9d2f4226cb',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.