Roll src/third_party/skia/ e29ce641d..0e8fc8b9e (7 commits).

https://skia.googlesource.com/skia.git/+log/e29ce641d378..0e8fc8b9e6a1

$ git log e29ce641d..0e8fc8b9e --date=short --no-merges --format='%ad %ae %s'
2016-12-09 bsalomon Relandx2 "Remove antialiasing control from GrPaint."
2016-12-09 mtklein remove Building with Skia Tutorial
2016-12-09 brianosman Plumb dst color space in many places, rather than "mode"
2016-12-09 bsalomon Revert "Reland "Remove antialiasing control from GrPaint.""
2016-12-09 bsalomon Reland "Remove antialiasing control from GrPaint."
2016-12-05 brianosman Remove SkImage::makeTextureImage
2016-12-09 robertphillips Different approach to fixing gpu blurs on platforms that "useDrawInsteadOfClear"

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls

CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel
TBR=herb@google.com

Review-Url: https://codereview.chromium.org/2569463002
Cr-Commit-Position: refs/heads/master@{#437691}

DEPS

@@ -40,7 +40,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': 'e29ce641d378022a18f1dac731a71784b3eb5a11',
+  'skia_revision': '0e8fc8b9e6a138cf4a66b421fb824679df717329',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.