Roll Skia from cbc7e99d6c2f to b29851b2ada6 (10 revisions) (#164812)

https://skia.googlesource.com/skia.git/+log/cbc7e99d6c2f..b29851b2ada6

2025-03-07 fmalita@google.com [skottie] Roll lottie-samples to include
new regression test assets
2025-03-07 bungeman@google.com Remove and de-duplicate Android FontMgr
streams
2025-03-07 egdaniel@google.com Fix need query for copyOnWrite for
dual-proxies Ganesh images.
2025-03-07 skia-autoroll@skia-public.iam.gserviceaccount.com Roll
shaders-base from 81fa6c51b85b to 536def9c5709
2025-03-07 kjlubick@google.com Update documentation about rolling into
Chromium
2025-03-07 skia-autoroll@skia-public.iam.gserviceaccount.com Roll
skottie-base from 7b44b80c0fac to 9ee87e7f230f
2025-03-07 skia-autoroll@skia-public.iam.gserviceaccount.com Roll
debugger-app-base from cc91ae26ecef to bfb2f80c0482
2025-03-07 skia-autoroll@skia-public.iam.gserviceaccount.com Roll
jsfiddle-base from 18808c894e65 to b07c254904bc
2025-03-07 lukasza@chromium.org [rust png] Update `png` from 0.17.15 to
0.18.0-rc
2025-03-07 michaelludwig@google.com [skif] Fix device-to-layer bounds
mapping

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 codefu@google.com,kjlubick@google.com,michaelludwig@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': 'cbc7e99d6c2fc662924922d376f3d17603079cba',
+  'skia_revision': 'b29851b2ada6ac6cb3e4fdf218266e47a1a877e6',
 
   # 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: 51c91851459b4c285ea9804ba3902991
+Signature: 0bb4f1825069e19201603029e8e24ae0
 
 ====================================================================================================
 LIBRARY: etc1