Roll external/skia bf341ae88..99ccc0ca8 (20 commits)

https://skia.googlesource.com/skia.git/+log/bf341ae88..99ccc0ca8

2019-03-27 mtklein@google.com lazy svg parsing in TestSVGTypeface
2019-03-27 mtklein@google.com split up skia_srcs() in public.bzl
2019-03-27 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 518c679da109..c240abe4ef2c (1 commits)
2019-03-27 bsalomon@google.com Disable texture storage on Android over command buffer.
2019-03-27 mtklein@google.com update DM_SRCS to build tools/HashAndEncode
2019-03-27 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader df5b28fdb45c..e43cda5f76de (1 commits)
2019-03-27 michaelludwig@google.com Fix paint filter quality in draw_image_set GM
2019-03-27 enne@chromium.org Add a function to compute texture sizes
2019-03-27 mtklein@google.com FM, a dumber new testing tool
2019-03-27 rmistry@google.com Fix RecreateSKPs bot page sets III
2019-03-27 robertphillips@google.com Minor cleanup of GrResourceAllocator
2019-03-27 fmalita@chromium.org [skottie] Fix handling of hidden shapes and layers
2019-03-27 robertphillips@google.com Fix bug in GrResourceAllocator's intermediate flushing (take 2)
2019-03-27 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader e747b3c3c9d9..df5b28fdb45c (1 commits)
2019-03-27 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update go_deps asset
2019-03-27 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update SKP version
2019-03-27 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update SKP version
2019-03-27 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 a47e2a23ab4c..518c679da109 (3 commits)
2019-03-27 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 4035f6c897d0..83d44af5c208 (535 commits)
2019-03-27 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

The AutoRoll server is located here: https://autoroll-internal.skia.org/r/android-master-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

Test: Presubmit checks will test this change.
Change-Id: I7d3553a8d645fe1048f7999cca212a60d7b47f5c
Exempt-From-Owner-Approval: The autoroll bot does not require owner approval.