Roll src/third_party/skia 52b64b4:8ece6eb

Summary of changes available at:
https://chromium.googlesource.com/skia/+log/52b64b4..8ece6eb

CQ_EXTRA_TRYBOTS=tryserver.blink:linux_blink_rel,linux_blink_dbg
TBR=fmalita@google.com

Review URL: https://codereview.chromium.org/881053002

Cr-Commit-Position: refs/heads/master@{#313372}

DEPS

@@ -42,7 +42,7 @@ vars = {
   'boringssl_git': 'https://boringssl.googlesource.com',
   'libvpx_revision': '097fdc0fa32a30fa6e91d86169f4b3ebd48e6491',
   'sfntly_revision': '1bdaae8fc788a5ac8936d68bf24f37d977a13dac',
-  'skia_revision': '52b64b45e98c7f0342ecbfb16a6da51065e8262a',
+  'skia_revision': '8ece6eb37b4f3c98587efa071ce565d26b156e9a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and V8 without interference from each other.