Roll src/third_party/skia 8d624bd:e46cf96

Roll src/third_party/skia 8d624bd:e46cf96

Summary of changes available at:
https://chromium.googlesource.com/skia/+log/8d624bd..e46cf96

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

Commits in this roll:
e46cf96 joshualitt@chromium.org Write a gm to verify append large glyph as path works
897640e bungeman@google.com Add HangingS.ttf to test large flourish caps.
5cb00a9 caryclark@google.com zero-length cap fix
a16af21 mtklein@chromium.org Have SkPicture::willPlayBackBitmaps() count SkImages too.
bcf33d5 joshualitt@chromium.org Rename GrBWFillRectBatch to GrNonAAFillRectBAtch
4bf69f7 rmistry@google.com Revert of Remove GrStagedProcessor, remove the word Stage as it applies to FPs (patchset #6 id:90001 of https://codereview.chromium.org/1307223004/ )
8cce8f1 joshualitt@chromium.org Modify GrBWFillRectBatch to use GrQuad
002c2ce mtklein@chromium.org stray malloc/free -> sk_malloc/sk_free
2424344 bsalomon@google.com Remove GrStagedProcessor, remove the word Stage as it applies to FPs
60e0fee bungeman@google.com Remove include of stdlib.h from SkTypes.h.

Review URL: https://codereview.chromium.org/1311363008

Cr-Commit-Position: refs/heads/master@{#345645}