Roll external/skia 3167aa0c9..0bd24dc41 (1 commits)

https://skia.googlesource.com/skia.git/+log/3167aa0c9..0bd24dc41

2018-01-16 robertphillips@google.com Funnel most proxy creation through GrProxyProvider

The AutoRoll server is located here: https://android-roll.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.

Test: Presubmit checks will test this change.
Change-Id: I0ae0d5868f1002eb26217ad90312fa4d0625b0c7
Exempt-From-Owner-Approval: The autoroll bot does not require owner approval.