Roll Skia from ca102ecb5833 to 49819b05232d (4 revisions) (flutter#180948)

https://skia.googlesource.com/skia.git/+log/ca102ecb5833..49819b05232d

2026-01-14
recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com
Roll recipe dependencies (trivial).
2026-01-13 [email protected] [pdf] Use implementation_deps for
external deps
2026-01-13 [email protected] Opt out of C++23 when building in
Chromium
2026-01-13 [email protected] Allow G3 re-write of zlib.h include

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 [email protected],[email protected],[email protected]
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

@@ -15,7 +15,7 @@ vars = {
   'flutter_git': 'https://flutter.googlesource.com',
   'skia_git': 'https://skia.googlesource.com',
   'llvm_git': 'https://llvm.googlesource.com',
-  'skia_revision': 'ca102ecb5833e1394a8c4dcdb01be4a6e6d5f229',
+  'skia_revision': '49819b05232dd0440caf522aeed0108354827761',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.