Roll Skia from 6de2e1db0311 to 513b368c6ffe (7 revisions)

https://skia.googlesource.com/skia.git/+log/6de2e1db0311..513b368c6ffe

2021-07-09 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2021-07-09 brianosman@google.com Fix python3 issue in compile_sksl_tests.py
2021-07-09 bsalomon@google.com Remove GrBlendFragmentProcessor::BlendBehavior.
2021-07-09 johnstiles@google.com Enforce consistency in swizzle domains.
2021-07-09 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2021-07-09 csmartdalton@google.com Add a gradient to the rrect_clip tests
2021-07-09 jvanverth@google.com Remove unused tracking methods in GrManagedResource

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/main/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
Cq-Do-Not-Cancel-Tryjobs: true
Bug: chromium:928984
Tbr: djsollen@google.com
Change-Id: If2c3a7ee0cd9c69ce7d249064f3d0b3c4655dfc2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3015458
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#900225}
diff --git a/DEPS b/DEPS
index 86876975..3cefa394 100644
--- a/DEPS
+++ b/DEPS
@@ -222,7 +222,7 @@
   # 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': '6de2e1db031134a85a98e405658ded37d7e1aa70',
+  'skia_revision': '513b368c6ffe14428a6d7ed67fcab5d8a5c5fdcf',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.