Revert "Roll src/third_party/skia c43ab22a8caf..6064ecf7e993 (5 commits)"

This reverts commit e358d64b6ac92e3b555cf9bed89b9c299dbb95d9.

Reason for revert: crbug.com/998038

Original change's description:
> Roll src/third_party/skia c43ab22a8caf..6064ecf7e993 (5 commits)
> 
> https://skia.googlesource.com/skia.git/+log/c43ab22a8caf..6064ecf7e993
> 
> git log c43ab22a8caf..6064ecf7e993 --date=short --no-merges --format='%ad %ae %s'
> 2019-08-27 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
> 2019-08-27 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go deps
> 2019-08-27 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 3c6b2e1613c8..57ad1e1287dd (8 commits)
> 2019-08-27 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 26bef9371198..31c682b20741 (361 commits)
> 2019-08-27 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader d6dc4b7e4533..605f863173b6 (4 commits)
> 
> Created with:
>   gclient setdep -r src/third_party/skia@6064ecf7e993
> 
> If this roll has caused a breakage, revert this CL and stop the roller
> using the controls here:
> https://autoroll.skia.org/r/skia-autoroll
> Please CC stani@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
> 
> CQ_INCLUDE_TRYBOTS=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux-blink-rel;luci.chromium.try:linux-chromeos-compile-dbg;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
> TBR=stani@google.com
> 
> Bug: chromium:None,chromium:None,chromium:None
> Change-Id: I385ccd8ab90a5c9d04f2515bfacdaecb26757421
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1768882
> Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
> Cr-Commit-Position: refs/heads/master@{#690655}

TBR=stani@chromium.org,chromium-autoroll@skia-public.iam.gserviceaccount.com

Change-Id: I74104cd18159ac00bd4b266f88a3b4862990c2d5
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:None
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux-blink-rel;luci.chromium.try:linux-chromeos-compile-dbg;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1768332
Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Commit-Queue: Vasilii Sukhanov <vasilii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#690666}

• DEPS[diff]