Roll src/third_party/skia/ 272b31129..4bcd62e33 (1 commit).

https://chromium.googlesource.com/skia.git/+log/272b311298d7..4bcd62e3313d

$ git log 272b31129..4bcd62e33 --date=short --no-merges --format='%ad %ae %s'
2016-08-31 egdaniel Add some copy support for vulkan msaa

CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_precise_blink_rel
TBR=bsalomon@google.com

Review-Url: https://codereview.chromium.org/2297203002
Cr-Commit-Position: refs/heads/master@{#415649}

DEPS

@@ -36,7 +36,7 @@ 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': '272b311298d78569c88130ceee3096b876fcbf25',
+  'skia_revision': '4bcd62e3313da60c3aa96ccd12b7ea440c7266d4',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.