[manifest] Roll skia 928db927f..c96bf2f64 (2 commits)

https://skia.googlesource.com/skia.git/+log/928db927f..c96bf2f64

2018-10-17 nigeltao@google.com Rename EncoderBench.cpp to EncodeBench.cpp
2018-10-17 mtklein@google.com clean up SK_LEGACY_4F_XFERMODES


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: I069ec105fb75e41163be5f8ce9c04da01ca6f2d2
diff --git a/manifest/skia b/manifest/skia
index 929f96d..55091c1 100644
--- a/manifest/skia
+++ b/manifest/skia
@@ -4,6 +4,6 @@
     <project name="external/skia.googlesource.com/skia"
              path="third_party/skia"
              remote="https://skia.googlesource.com/skia"
-             revision="928db927f7fcbebfac0a588dddbd4d89fb3d444b"/>
+             revision="c96bf2f643728cff1ca5efa57bf054f2eb0f4fff"/>
   </projects>
 </manifest>