Roll src/third_party/skia/ 8e258318e..10501885d (8 commits)

https://skia.googlesource.com/skia.git/+log/8e258318e68f..10501885de05

$ git log 8e258318e..10501885d --date=short --no-merges --format='%ad %ae %s'
2017-09-19 angle-deps-roller Roll skia/third_party/externals/angle2/ 8b2142e37..abd313592 (2 commits)
2017-09-19 mtklein add Mac TSAN Test bots
2017-09-19 mtklein Mac TSAN support: annotate Sk[Base]Mutex as a mutex.
2017-09-19 mtklein fix race in SkFontHost_mac.cpp
2017-09-15 benjaminwagner Fix float-cast-overflow in SkOpSpan::sortableTop.
2017-09-19 caryclark minor changes to SkMatrix.h and SkRect.h
2017-09-19 reed Revert "Revert "try to remove google3 flag""
2017-09-19 caryclark add back SkPacked16toX32 to SkColorPriv

Created with:
  roll-dep src/third_party/skia
BUG=765363


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=fmalita@chromium.org

Change-Id: Iab3cfcf5eb96d57386c0891000b00b2d2eb01821
Reviewed-on: https://chromium-review.googlesource.com/673133Reviewed-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@{#502950}

DEPS

@@ -41,7 +41,7 @@ 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': '8e258318e68f93998d6f9a8fdbba34684a3d9483',
+  'skia_revision': '10501885de057c155195bcbd1dd18d9cd16f59ac',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.