Roll src/third_party/skia/ 65b8cb05a..e918417dc (5 commits).

https://chromium.googlesource.com/skia.git/+log/65b8cb05a756..e918417dc34c

$ git log 65b8cb05a..e918417dc --date=short --no-merges --format='%ad %ae %s'
2016-09-20 fmalita Revert of Stop closing filled paths in GrShape (patchset #1 id:1 of https://codereview.chromium.org/2355833002/ )
2016-09-20 borenet Revert of [SVGDom] Opacity optimization (patchset #4 id:60001 of https://codereview.chromium.org/2353503005/ )
2016-09-20 mtklein GN: add skia_use_mesa for OSMesa in tools.
2016-09-20 borenet Attempt to fix nanobench upload
2016-09-20 stani Revert of Clear stencil buffer before using it for drawing (patchset #2 id:20001 of https://codereview.chromium.org/2342873004/ )

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

Review-Url: https://codereview.chromium.org/2354873005
Cr-Commit-Position: refs/heads/master@{#419907}

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': '65b8cb05a7560733f9be8eefe41f7289348c83e5',
+  'skia_revision': 'e918417dc34c0856822e6955b788e962c289ca3d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.