Roll src/third_party/skia/ 39631f3df..f5beefd34 (2 commits)

https://skia.googlesource.com/skia.git/+log/39631f3df172..f5beefd34df7

$ git log 39631f3df..f5beefd34 --date=short --no-merges --format='%ad %ae %s'
2017-11-17 brianosman Fix shader linker errors on several GL benchmarks
2017-11-17 benjaminwagner Add Nexus5x

Created with:
  roll-dep src/third_party/skia


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;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
TBR=brianosman@chromium.org

Change-Id: I7586b5563185e9f149c4419a0a7ef671fa7659a5
Reviewed-on: https://chromium-review.googlesource.com/777550
Reviewed-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@{#517686}

DEPS

@@ -74,7 +74,7 @@ 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': '39631f3df172feb385527a5d125bc53b0bded7e6',
+  'skia_revision': 'f5beefd34df7360f7ffa219434d11d481bd72efc',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.