https://skia.googlesource.com/skia.git/+log/8a6f2ed4ffd4..21d1720203f4

git log 8a6f2ed..21d1720 --date=short --first-parent --format='%ad %ae %s'
2020-04-30 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go Deps
2020-04-30 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 718ae50..9574174 (12 commits)
2020-04-30 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 1a0f094cf1bb..c4c6cbc6102b (416 commits)
2020-04-30 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 941293d512fe..7d6b5913c98c (1 commits)
2020-04-29 herb@google.com Use needsTransform() for deviceRect
2020-04-29 herb@google.com cleanup device bounds calculation
2020-04-29 ethannicholas@google.com fixed UB in SkSL shift operations
2020-04-29 mtklein@google.com Revert "replace SkSharedMutex"
2020-04-29 mtklein@google.com add fm to build product whitelist
2020-04-29 nifong@google.com Remove libgifcodec from skottiekit build.
2020-04-29 herb@google.com treat fNeedsGlyphTransform the same for SDFT and Bitmap
2020-04-29 bsalomon@google.com Start on GM to directly test SkGpuBlurUtils
2020-04-29 mtklein@google.com add skvx::{sin,cos,tan}
2020-04-29 mtklein@google.com add sin
2020-04-29 mtklein@google.com replace SkSharedMutex
2020-04-29 fmalita@chromium.org [skottie] Contrast cleanup
2020-04-29 mtklein@google.com impl enough for contrast effect
2020-04-29 michaelludwig@google.com Revert "Refactor geometry union capabilities out of GrStyledShape"
2020-04-29 michaelludwig@google.com Revert "Fix round join comparison in if"
2020-04-29 mtklein@google.com add --stats to start with the stats overlay on
2020-04-29 fmalita@chromium.org [skottie] Non-legacy (is this modern?) contrast effect support
2020-04-29 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go Deps
2020-04-29 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 4395170..718ae50 (12 commits)
2020-04-29 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 78824aa9d99f..1a0f094cf1bb (510 commits)

Created with:
  gclient setdep -r src/third_party/skia@21d1720203f4

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC ethannicholas@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

Bug: None
Tbr: ethannicholas@google.com