Roll Skia from 291d41414fa7 to 1d8f7ebd23cc (2 revisions) (flutter#170857)

https://skia.googlesource.com/skia.git/+log/291d41414fa7..1d8f7ebd23cc

2025-06-19 mike@reedtribe.org Revert "remove guard -- it is now in all
clients"
2025-06-18 nicolettep@google.com [graphite] Add skipColorXForm attribute
to PaintOption

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
danieldilan@google.com,jimgraham@google.com,kjlubick@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: engine-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': '291d41414fa7e6fd7cf3041d432a1c0a61feca3c',
+  'skia_revision': '1d8f7ebd23ccf7599f3c77b9f416f2babbc68036',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

engine/src/flutter/ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: adc8806b4e0efb18f97743a995fe56db
+Signature: f55750db75f9fd934ae9b31c6696ca0c
 
 ====================================================================================================
 LIBRARY: etc1