Roll src/third_party/skia/ 69df02062..862dae548 (1 commit).

https://chromium.googlesource.com/skia.git/+log/69df0206252c..862dae548a8e

$ git log 69df02062..862dae548 --date=short --no-merges --format='%ad %ae %s'
2016-06-03 robertphillips Add ability to rotate light direction in drawLitAtlas Sample slide

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

Review-Url: https://codereview.chromium.org/2034843005
Cr-Commit-Position: refs/heads/master@{#397889}

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': '69df0206252ce0e6293c60274a1dfc363bb2e3b5',
+  'skia_revision': '862dae548a8ef40804bc9146d5c7b9f360efa960',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.