Roll Skia from 4aa4c6014d56 to 3637a44a3643 (5 revisions)

https://skia.googlesource.com/skia.git/+log/4aa4c6014d56..3637a44a3643

2020-10-12 mtklein@google.com update comments and rearrange SkVx.h
2020-10-12 egdaniel@google.com Update attachment unique key to handle format and protected.
2020-10-12 michaelludwig@google.com Take crop rect into account for input bounds/reverse filter bounds
2020-10-12 mtklein@google.com power up skvx::map
2020-10-12 bsalomon@google.com Revert "Revert "Use ManagedBackendTexture in place of TestUtils backend texture helpers.""

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 robertphillips@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
Cq-Do-Not-Cancel-Tryjobs: true
Bug: None
Tbr: robertphillips@google.com
Change-Id: I977022183f836d44307e59607298d631b2f8f090
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2465939Reviewed-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@{#816318}

DEPS

@@ -195,7 +195,7 @@ 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': '4aa4c6014d56740088a26c966da5cfb02beb6dc1',
+  'skia_revision': '3637a44a364330d76c4ee9f94ae64de8a03ac676',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.