Roll Skia from dc6df9137614 to 1af1e478ef85 (10 revisions) (flutter#52230)

https://skia.googlesource.com/skia.git/+log/dc6df9137614..1af1e478ef85

2024-04-18 nscobie@google.com [graphite] Remove merge error comment from QueueManager
2024-04-18 jvanverth@google.com Fix backquotes in iOS docs.
2024-04-18 johnstiles@google.com Remove sk_float|double macros which mirror <cmath> functions.
2024-04-18 johnstiles@google.com Remove dependency on SkFloatBits.h from SkFloatingPoint.h.
2024-04-18 johnstiles@google.com Remove code from docs/examples which uses SkBits2Float.
2024-04-18 jvanverth@google.com Update iOS docs to include new GN signing variable.
2024-04-18 brianosman@google.com Add snapshot and detach to SkPath
2024-04-18 michaelludwig@google.com [graphite] Remember last snapped task for scratch devices
2024-04-18 bungeman@google.com Move to vpython 3.11
2024-04-18 kjlubick@google.com Minor Bazel rule fixes

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 brianosman@google.com,jsimmons@google.com,michaelludwig@google.com,rmistry@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

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

Author: skia-flutter-autoroll

DEPS

@@ -14,7 +14,7 @@ vars = {
   'flutter_git': 'https://flutter.googlesource.com',
   'skia_git': 'https://skia.googlesource.com',
   'llvm_git': 'https://llvm.googlesource.com',
-  'skia_revision': 'dc6df91376147340f1893a4748919d9efa3e26c1',
+  'skia_revision': '1af1e478ef851085ca0adfb65074ffa7d7faf821',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: 0e58a85c14d1ca23bad48171b2de6456
+Signature: 5ee121843281985cde0ab869abd5107a
 
 ====================================================================================================
 LIBRARY: etc1