Roll Skia from b78fdc3ba26b to 38b9f9b0e496 (7 revisions) (flutter#170453)

https://skia.googlesource.com/skia.git/+log/b78fdc3ba26b..38b9f9b0e496

2025-06-11 [email protected] [graphite][vulkan] Mark Imagination
hardware as coherent
2025-06-11 [email protected] Disable SimplifyPaintTest on
*Protected jobs
2025-06-11 [email protected] Remove S7 Vulkan jobs
2025-06-11 [email protected] Simplify asADash() to return its span
2025-06-11 [email protected] Roll
vulkan-deps from e16ef854c44f to c786a2e47b03 (1 revision)
2025-06-11 [email protected] Roll ANGLE
from a787766551aa to c6b3440bf382 (11 revisions)
2025-06-11 [email protected] Roll Skia
Infra from 29821d9a17ae to 80f512e1a5d1 (10 revisions)

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

@@ -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': 'b78fdc3ba26b20bb64294e1df4b6836536317039',
+  'skia_revision': '38b9f9b0e496a7a571405a50e6faf17ec7bdd756',
 
   # 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: a3b2bf1c64885042652b5ae54f6481a3
+Signature: af5cb3f28810d7135c6ee9d052832f71
 
 ====================================================================================================
 LIBRARY: etc1