Roll Skia from 82d619699dd3 to 6b2caf7dfc87 (16 revisions)

https://skia.googlesource.com/skia.git/+log/82d619699dd3..6b2caf7dfc87

2020-06-15 bsalomon@google.com GrAlphaThresholdFragmentProcessor uses child processor for mask.
2020-06-15 johnstiles@google.com Update EllipticalRRectEffect to support an input FP.
2020-06-15 johnstiles@google.com Improve error reporting in ProcessorCloneTest.
2020-06-15 elliotevans@google.com Added CanvasKit.MakeImageFromCanvasImageSource which is useful as an alternative to 
2020-06-15 fmalita@chromium.org Fix infinite loop in SkParsePath::FromSVGString
2020-06-15 brianosman@google.com Moved SampleMatrix computation out of SectionAndParameterHelper
2020-06-15 johnstiles@google.com Update ConstColor FP to support an input FP.
2020-06-15 egdaniel@google.com Fix tracking of d3d cpu descriptor heaps.
2020-06-15 herb@google.com GrTextContext::Options -> GrSDFTOptions
2020-06-15 johnstiles@google.com Fix pointer ownership issue with SkSL static switches.
2020-06-15 bsalomon@google.com Disable MorphologyFilterRadiusWithMirrorCTM_Gpu on AndroidOne
2020-06-15 johnstiles@google.com Add cloneAndRegisterAllChildProcessors.
2020-06-15 dmazzoni@chromium.org Add separate PDF tag attribute interfaces for names and strings
2020-06-15 johnstiles@google.com Add helper method to clone and register a child FP.
2020-06-15 djsollen@google.com Revert "Allow building with Wuffs v0.3, not just v0.2"
2020-06-15 nigeltao@google.com Allow building with Wuffs v0.3, not just v0.2

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 djsollen@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/+doc/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
Bug: chromium:607777
Tbr: djsollen@google.com
Change-Id: If5c89785645af74a759c99e4ca90d8ff903466c3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2246857Reviewed-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@{#778540}

DEPS

@@ -182,7 +182,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': '82d619699dd3d265aa62c2dde425f5f956299c77',
+  'skia_revision': '6b2caf7dfc8733a85aa44fb6e91159d82c686299',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.