Roll src/third_party/skia 82a02c9:95b96d6

Roll src/third_party/skia 82a02c9:95b96d6

Summary of changes available at:
https://chromium.googlesource.com/skia/+log/82a02c9..95b96d6

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

Commits in this roll:
95b96d6 caryclark@google.com Revert of cast SK_ARRAY_COUNT to make it sign agnostic (patchset #1 id:1 of https://codereview.chromium.org/1299943002/ )
c6ad06a mtklein@chromium.org unsigned -> int for counts and indices in picture-related code
4b01329 senorblanco@chromium.org Add rendertarget flag to prevent a debug assert in SampleApp.
ae5b2c6 joshualitt@chromium.org Create GrQuad
bca8620 caryclark@google.com cast SK_ARRAY_COUNT to make it sign agnostic
7dea7b7 bsalomon@google.com Use calloc to allocate data that will be uploaded to vertex/index buffers in Chrome
93ab254 wangyix@google.com This change is in preparation for updating how processor keys and meta keys are generated for frag procs.
5b4a7ab joshualitt@chromium.org Adding sucessful exit message to VisualBench
451af50 reed@google.com remove SkDeferredCanvas
da04e0e joshualitt@chromium.org Allow setting of GrBatchFontCache atlas sizes
45cba08 msarett@google.com Forgot to add resources with new test
8c9a67a mtklein@chromium.org Revert of Have DM manually encode its .png outputs. (patchset #2 id:20001 of https://codereview.chromium.org/1304443002/ )

Review URL: https://codereview.chromium.org/1293853005

Cr-Commit-Position: refs/heads/master@{#344294}