Roll skia acbdb5d99..6f67cf7c4 (2 commits)

https://skia.googlesource.com/skia.git/+log/acbdb5d99..6f67cf7c4

2017-09-22 borenet@google.com [infra] Bring recipe DEPS up to date
2017-09-22 bungeman@google.com Add some font fallback to SkShaper.

Change-Id: Ieaec6ebf4a1934044446a17b669501411e22fe7f
diff --git a/userspace b/userspace
index 08cebf9..d71551d 100644
--- a/userspace
+++ b/userspace
@@ -113,7 +113,7 @@
     <project name="external/skia.googlesource.com/skia"
              path="third_party/skia"
              remote="https://skia.googlesource.com/skia"
-             revision="acbdb5d9903d0578e3163e2187e58da9573a3bd5"/>
+             revision="6f67cf7c4e14a65a54ee1fc67e81e5aa3d1e3d0e"/>
     <project name="third_party/snappy"
              path="third_party/snappy"
              remote="https://fuchsia.googlesource.com/third_party/snappy"