[manifest] Roll skia 688afddfc..928db927f (1 commits)

https://skia.googlesource.com/skia.git/+log/688afddfc..928db927f

2018-10-17 fmalita@chromium.org [skottie] Clang-tidy fixes


The AutoRoll server is located here: https://autoroll.skia.org/r/fuchsia-autoroll

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=CQ

Change-Id: Iefcc2d6eae75b5c6e360450d7d7687001e1dd2bc
1 file changed