Roll Skia from 42e3bed42110 to 49e39cd3cf18 (7 revisions) (flutter#173069)

https://skia.googlesource.com/skia.git/+log/42e3bed42110..49e39cd3cf18

2025-07-31 nicolettep@google.com Reland "[graphite] Add
AHARDWAREBUFFER_FORMAT_B8G8R8A8_UNORM support"
2025-07-31
recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com
Roll recipe dependencies (trivial).
2025-07-31 borenet@google.com [SkPathBuilder] Add rMoveTo
2025-07-31 bungeman@google.com Fix limits in fontmgr_bounds gm
2025-07-31 mike@reedtribe.org Fix pathkit build
2025-07-31 skia-autoroll@skia-public.iam.gserviceaccount.com Roll
vulkan-deps from b2f40c904dad to 7cc0f6d3a219 (1 revision)
2025-07-31 mike@reedtribe.org More conversions of verbs from uint8_t to
SkPathVerb

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 aaclarke@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': '42e3bed42110fc3b659d7d05c9666f3b152583d5',
+  'skia_revision': '49e39cd3cf1847f5e0464b4652735d6f0091f93d',
 
   # 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: 2f13c6e74cda0b4ee20d584492de34df
+Signature: ea888700af69bea00fe4e03e99a5fc91
 
 ====================================================================================================
 LIBRARY: etc1