roll skia DEPS to 13850

Chromium base revision: 257629 / 6f3a2ff
Old Skia revision: 13821
New Skia revision: 13850
Control CL: https://codereview.chromium.org/203153004

This CL was created by Skia's roll_deps.py script.

Bypassing commit queue trybots:
NOTRY=true
R=rmistry@chromium.org

Review URL: https://codereview.chromium.org/196383031

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@257692 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -45,8 +45,8 @@ vars = {
 
   "sfntly_revision": "228",
   "lighttpd_revision": "33737",
-  "skia_revision": "13821",
-  "skia_hash": "beca2ee3ecce7a39b8bd23f53f6e46c2e4650b21",
+  "skia_revision": "13850",
+  "skia_hash": "14bdd527eebb3616227ef37a9ed23bc450a8bb5a",
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and V8 without interference from each other.