Skia roll 57493ba:0925a57

https://skia.googlesource.com/skia/+log/57493ba62a7ec6a6038e64afa891b3c98a7cc15d..0925a5784c8424e3f9d75dbf4612ada12dc37131

CQ_EXTRA_TRYBOTS=tryserver.chromium:linux_layout_rel
TBR=robertphillips@google.com
BUG=

Review URL: https://codereview.chromium.org/418183004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@285504 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -46,7 +46,7 @@ vars = {
   "lss_revision": "26",
   "sfntly_revision": "239",
   "lighttpd_revision": "33737",
-  "skia_revision": "57493ba62a7ec6a6038e64afa891b3c98a7cc15d",
+  "skia_revision": "0925a5784c8424e3f9d75dbf4612ada12dc37131",
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and V8 without interference from each other.