Roll src/third_party/skia/ d427266a5..852f15da7 (12 commits).

https://chromium.googlesource.com/skia.git/+log/d427266a58af..852f15da7ceb

$ git log d427266a5..852f15da7 --date=short --no-merges --format='%ad %ae %s'
2016-03-17 mtklein free -> reset
2016-03-17 reed update callsites for Make image factories
2016-03-17 djsollen Fix gdb debugging for the latest NDK release. GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1806343003
2016-03-17 msarett Disable bad gif decode on CG
2016-03-17 bungeman Revert of Remove uses of SkImageDecoder from gms (patchset #2 id:20001 of https://codereview.chromium.org/1791583002/ )
2016-03-17 bungeman Use sktarray.begin() instead of &sktarray[0].
2016-03-17 mtklein try to flush stdio in the crash handler
2016-03-17 bungeman Revert of free -> reset (patchset #3 id:40001 of https://codereview.chromium.org/1811723002/ )
2016-03-17 borenet Fix Linux Swarming bots
2016-03-17 borenet Some fixes for Swarming bots
2016-03-17 robertphillips Allow SkGpuDevice::drawSprite to handle subset SkBitmaps
2016-03-17 reed Allow const& for SkImages and SkPictures in draw methods.

CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
TBR=bungeman@google.com

Review URL: https://codereview.chromium.org/1811063002

Cr-Commit-Position: refs/heads/master@{#381775}

DEPS

@@ -39,7 +39,7 @@ 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': 'd427266a58af7e6ea6c12c9cd56ade3e179a0c04',
+  'skia_revision': '852f15da7ceb53cfb49b9f728baa6dbc53b27694',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.